Home / 45,991.04-68,650.88-39,459.20

Finding the Fourth Proportional to 45,991.04, 68,650.88 and 39,459.20

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Solution

The fourth proportional to 45,991.04, 68,650.88 and 39,459.20 is: 58,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,991.04 : 68,650.88 = 39,459.20 : x
  2. Step 2: Convert to fraction form
    45,991.04/68,650.88 = 39,459.20/x
  3. Step 3: Cross multiply
    45,991.04x = 68,650.88 × 39,459.20
  4. Step 4: Simplify right side
    45,991.04x = 2,708,908,263.55
  5. Step 5: Solve for x
    x = 2,708,908,263.55/45,991.04
  6. Step 6: Final answer
    x = 58,900.79

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.