Home / 65,461.41-90,281.93-40,267.17

Finding the Fourth Proportional to 65,461.41, 90,281.93 and 40,267.17

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Solution

The fourth proportional to 65,461.41, 90,281.93 and 40,267.17 is: 55,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,461.41 : 90,281.93 = 40,267.17 : x
  2. Step 2: Convert to fraction form
    65,461.41/90,281.93 = 40,267.17/x
  3. Step 3: Cross multiply
    65,461.41x = 90,281.93 × 40,267.17
  4. Step 4: Simplify right side
    65,461.41x = 3,635,397,621.90
  5. Step 5: Solve for x
    x = 3,635,397,621.90/65,461.41
  6. Step 6: Final answer
    x = 55,534.97

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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.