Home / 103,648.86-155,224.14-59,140.68

Finding the Fourth Proportional to 103,648.86, 155,224.14 and 59,140.68

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Solution

The fourth proportional to 103,648.86, 155,224.14 and 59,140.68 is: 88,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,648.86 : 155,224.14 = 59,140.68 : x
  2. Step 2: Convert to fraction form
    103,648.86/155,224.14 = 59,140.68/x
  3. Step 3: Cross multiply
    103,648.86x = 155,224.14 × 59,140.68
  4. Step 4: Simplify right side
    103,648.86x = 9,180,061,192.02
  5. Step 5: Solve for x
    x = 9,180,061,192.02/103,648.86
  6. Step 6: Final answer
    x = 88,568.86

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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.