Home / 90,674.64-125,074.53-62,331.12

Finding the Fourth Proportional to 90,674.64, 125,074.53 and 62,331.12

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Solution

The fourth proportional to 90,674.64, 125,074.53 and 62,331.12 is: 85,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,674.64 : 125,074.53 = 62,331.12 : x
  2. Step 2: Convert to fraction form
    90,674.64/125,074.53 = 62,331.12/x
  3. Step 3: Cross multiply
    90,674.64x = 125,074.53 × 62,331.12
  4. Step 4: Simplify right side
    90,674.64x = 7,796,035,538.37
  5. Step 5: Solve for x
    x = 7,796,035,538.37/90,674.64
  6. Step 6: Final answer
    x = 85,978.13

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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.