Home / 103,831.67-155,740.21-59,318.93

Finding the Fourth Proportional to 103,831.67, 155,740.21 and 59,318.93

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Solution

The fourth proportional to 103,831.67, 155,740.21 and 59,318.93 is: 88,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,831.67 : 155,740.21 = 59,318.93 : x
  2. Step 2: Convert to fraction form
    103,831.67/155,740.21 = 59,318.93/x
  3. Step 3: Cross multiply
    103,831.67x = 155,740.21 × 59,318.93
  4. Step 4: Simplify right side
    103,831.67x = 9,238,341,836.47
  5. Step 5: Solve for x
    x = 9,238,341,836.47/103,831.67
  6. Step 6: Final answer
    x = 88,974.22

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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.