Home / 74,331.54-102,435.87-72,965.16

Finding the Fourth Proportional to 74,331.54, 102,435.87 and 72,965.16

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Solution

The fourth proportional to 74,331.54, 102,435.87 and 72,965.16 is: 100,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,331.54 : 102,435.87 = 72,965.16 : x
  2. Step 2: Convert to fraction form
    74,331.54/102,435.87 = 72,965.16/x
  3. Step 3: Cross multiply
    74,331.54x = 102,435.87 × 72,965.16
  4. Step 4: Simplify right side
    74,331.54x = 7,474,249,644.29
  5. Step 5: Solve for x
    x = 7,474,249,644.29/74,331.54
  6. Step 6: Final answer
    x = 100,552.87

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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.