Home / 91,327.08-126,032.12-51,042.54

Finding the Fourth Proportional to 91,327.08, 126,032.12 and 51,042.54

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Solution

The fourth proportional to 91,327.08, 126,032.12 and 51,042.54 is: 70,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,327.08 : 126,032.12 = 51,042.54 : x
  2. Step 2: Convert to fraction form
    91,327.08/126,032.12 = 51,042.54/x
  3. Step 3: Cross multiply
    91,327.08x = 126,032.12 × 51,042.54
  4. Step 4: Simplify right side
    91,327.08x = 6,432,999,526.38
  5. Step 5: Solve for x
    x = 6,432,999,526.38/91,327.08
  6. Step 6: Final answer
    x = 70,439.12

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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.