Home / 103,568.76-155,103.93-59,060.61

Finding the Fourth Proportional to 103,568.76, 155,103.93 and 59,060.61

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Solution

The fourth proportional to 103,568.76, 155,103.93 and 59,060.61 is: 88,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,568.76 : 155,103.93 = 59,060.61 : x
  2. Step 2: Convert to fraction form
    103,568.76/155,103.93 = 59,060.61/x
  3. Step 3: Cross multiply
    103,568.76x = 155,103.93 × 59,060.61
  4. Step 4: Simplify right side
    103,568.76x = 9,160,532,719.20
  5. Step 5: Solve for x
    x = 9,160,532,719.20/103,568.76
  6. Step 6: Final answer
    x = 88,448.80

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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.