Home / 91,204.32-125,862.48-53,479.20

Finding the Fourth Proportional to 91,204.32, 125,862.48 and 53,479.20

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Solution

The fourth proportional to 91,204.32, 125,862.48 and 53,479.20 is: 73,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,204.32 : 125,862.48 = 53,479.20 : x
  2. Step 2: Convert to fraction form
    91,204.32/125,862.48 = 53,479.20/x
  3. Step 3: Cross multiply
    91,204.32x = 125,862.48 × 53,479.20
  4. Step 4: Simplify right side
    91,204.32x = 6,731,024,740.42
  5. Step 5: Solve for x
    x = 6,731,024,740.42/91,204.32
  6. Step 6: Final answer
    x = 73,801.60

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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.