Home / 91,580.32-126,336.24-57,630.88

Finding the Fourth Proportional to 91,580.32, 126,336.24 and 57,630.88

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Solution

The fourth proportional to 91,580.32, 126,336.24 and 57,630.88 is: 79,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,580.32 : 126,336.24 = 57,630.88 : x
  2. Step 2: Convert to fraction form
    91,580.32/126,336.24 = 57,630.88/x
  3. Step 3: Cross multiply
    91,580.32x = 126,336.24 × 57,630.88
  4. Step 4: Simplify right side
    91,580.32x = 7,280,868,687.09
  5. Step 5: Solve for x
    x = 7,280,868,687.09/91,580.32
  6. Step 6: Final answer
    x = 79,502.55

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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.