Home / 103,750.76-155,391.90-62,109.80

Finding the Fourth Proportional to 103,750.76, 155,391.90 and 62,109.80

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Solution

The fourth proportional to 103,750.76, 155,391.90 and 62,109.80 is: 93,024.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,750.76 : 155,391.90 = 62,109.80 : x
  2. Step 2: Convert to fraction form
    103,750.76/155,391.90 = 62,109.80/x
  3. Step 3: Cross multiply
    103,750.76x = 155,391.90 × 62,109.80
  4. Step 4: Simplify right side
    103,750.76x = 9,651,359,830.62
  5. Step 5: Solve for x
    x = 9,651,359,830.62/103,750.76
  6. Step 6: Final answer
    x = 93,024.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.