Home / 91,304.46-126,000.77-51,019.92

Finding the Fourth Proportional to 91,304.46, 126,000.77 and 51,019.92

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Solution

The fourth proportional to 91,304.46, 126,000.77 and 51,019.92 is: 70,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,304.46 : 126,000.77 = 51,019.92 : x
  2. Step 2: Convert to fraction form
    91,304.46/126,000.77 = 51,019.92/x
  3. Step 3: Cross multiply
    91,304.46x = 126,000.77 × 51,019.92
  4. Step 4: Simplify right side
    91,304.46x = 6,428,549,205.34
  5. Step 5: Solve for x
    x = 6,428,549,205.34/91,304.46
  6. Step 6: Final answer
    x = 70,407.83

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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.