Home / 67,472.48-93,136.56-54,875.36

Finding the Fourth Proportional to 67,472.48, 93,136.56 and 54,875.36

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Solution

The fourth proportional to 67,472.48, 93,136.56 and 54,875.36 is: 75,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,472.48 : 93,136.56 = 54,875.36 : x
  2. Step 2: Convert to fraction form
    67,472.48/93,136.56 = 54,875.36/x
  3. Step 3: Cross multiply
    67,472.48x = 93,136.56 × 54,875.36
  4. Step 4: Simplify right side
    67,472.48x = 5,110,902,259.16
  5. Step 5: Solve for x
    x = 5,110,902,259.16/67,472.48
  6. Step 6: Final answer
    x = 75,747.95

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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.