Home / 66,252.13-91,411.59-40,762.64

Finding the Fourth Proportional to 66,252.13, 91,411.59 and 40,762.64

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Solution

The fourth proportional to 66,252.13, 91,411.59 and 40,762.64 is: 56,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,252.13 : 91,411.59 = 40,762.64 : x
  2. Step 2: Convert to fraction form
    66,252.13/91,411.59 = 40,762.64/x
  3. Step 3: Cross multiply
    66,252.13x = 91,411.59 × 40,762.64
  4. Step 4: Simplify right side
    66,252.13x = 3,726,177,887.10
  5. Step 5: Solve for x
    x = 3,726,177,887.10/66,252.13
  6. Step 6: Final answer
    x = 56,242.39

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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.