Home / 91,386.68-126,102.52-50,545.28

Finding the Fourth Proportional to 91,386.68, 126,102.52 and 50,545.28

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Solution

The fourth proportional to 91,386.68, 126,102.52 and 50,545.28 is: 69,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,386.68 : 126,102.52 = 50,545.28 : x
  2. Step 2: Convert to fraction form
    91,386.68/126,102.52 = 50,545.28/x
  3. Step 3: Cross multiply
    91,386.68x = 126,102.52 × 50,545.28
  4. Step 4: Simplify right side
    91,386.68x = 6,373,887,182.11
  5. Step 5: Solve for x
    x = 6,373,887,182.11/91,386.68
  6. Step 6: Final answer
    x = 69,746.35

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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.