Home / 51,098.16-70,515.45-28,742.16

Finding the Fourth Proportional to 51,098.16, 70,515.45 and 28,742.16

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Solution

The fourth proportional to 51,098.16, 70,515.45 and 28,742.16 is: 39,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,098.16 : 70,515.45 = 28,742.16 : x
  2. Step 2: Convert to fraction form
    51,098.16/70,515.45 = 28,742.16/x
  3. Step 3: Cross multiply
    51,098.16x = 70,515.45 × 28,742.16
  4. Step 4: Simplify right side
    51,098.16x = 2,026,766,346.37
  5. Step 5: Solve for x
    x = 2,026,766,346.37/51,098.16
  6. Step 6: Final answer
    x = 39,664.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.