Home / 91,050.15-125,646.75-52,807.28

Finding the Fourth Proportional to 91,050.15, 125,646.75 and 52,807.28

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Solution

The fourth proportional to 91,050.15, 125,646.75 and 52,807.28 is: 72,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,050.15 : 125,646.75 = 52,807.28 : x
  2. Step 2: Convert to fraction form
    91,050.15/125,646.75 = 52,807.28/x
  3. Step 3: Cross multiply
    91,050.15x = 125,646.75 × 52,807.28
  4. Step 4: Simplify right side
    91,050.15x = 6,635,063,422.46
  5. Step 5: Solve for x
    x = 6,635,063,422.46/91,050.15
  6. Step 6: Final answer
    x = 72,872.62

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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.