Home / 91,250.78-125,929.66-52,488.52

Finding the Fourth Proportional to 91,250.78, 125,929.66 and 52,488.52

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Solution

The fourth proportional to 91,250.78, 125,929.66 and 52,488.52 is: 72,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,250.78 : 125,929.66 = 52,488.52 : x
  2. Step 2: Convert to fraction form
    91,250.78/125,929.66 = 52,488.52/x
  3. Step 3: Cross multiply
    91,250.78x = 125,929.66 × 52,488.52
  4. Step 4: Simplify right side
    91,250.78x = 6,609,861,477.50
  5. Step 5: Solve for x
    x = 6,609,861,477.50/91,250.78
  6. Step 6: Final answer
    x = 72,436.22

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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.