Home / 91,355.26-126,071.92-51,064.70

Finding the Fourth Proportional to 91,355.26, 126,071.92 and 51,064.70

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Solution

The fourth proportional to 91,355.26, 126,071.92 and 51,064.70 is: 70,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,355.26 : 126,071.92 = 51,064.70 : x
  2. Step 2: Convert to fraction form
    91,355.26/126,071.92 = 51,064.70/x
  3. Step 3: Cross multiply
    91,355.26x = 126,071.92 × 51,064.70
  4. Step 4: Simplify right side
    91,355.26x = 6,437,824,690.03
  5. Step 5: Solve for x
    x = 6,437,824,690.03/91,355.26
  6. Step 6: Final answer
    x = 70,470.21

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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.