Home / 91,309.38-126,004.52-51,023.47

Finding the Fourth Proportional to 91,309.38, 126,004.52 and 51,023.47

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Solution

The fourth proportional to 91,309.38, 126,004.52 and 51,023.47 is: 70,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,309.38 : 126,004.52 = 51,023.47 : x
  2. Step 2: Convert to fraction form
    91,309.38/126,004.52 = 51,023.47/x
  3. Step 3: Cross multiply
    91,309.38x = 126,004.52 × 51,023.47
  4. Step 4: Simplify right side
    91,309.38x = 6,429,188,035.48
  5. Step 5: Solve for x
    x = 6,429,188,035.48/91,309.38
  6. Step 6: Final answer
    x = 70,411.04

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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.