Home / 91,567.72-126,366.24-51,281.38

Finding the Fourth Proportional to 91,567.72, 126,366.24 and 51,281.38

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Solution

The fourth proportional to 91,567.72, 126,366.24 and 51,281.38 is: 70,769.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,567.72 : 126,366.24 = 51,281.38 : x
  2. Step 2: Convert to fraction form
    91,567.72/126,366.24 = 51,281.38/x
  3. Step 3: Cross multiply
    91,567.72x = 126,366.24 × 51,281.38
  4. Step 4: Simplify right side
    91,567.72x = 6,480,235,172.61
  5. Step 5: Solve for x
    x = 6,480,235,172.61/91,567.72
  6. Step 6: Final answer
    x = 70,769.86

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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.