Home / 103,831.17-155,739.46-59,318.43

Finding the Fourth Proportional to 103,831.17, 155,739.46 and 59,318.43

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Solution

The fourth proportional to 103,831.17, 155,739.46 and 59,318.43 is: 88,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,831.17 : 155,739.46 = 59,318.43 : x
  2. Step 2: Convert to fraction form
    103,831.17/155,739.46 = 59,318.43/x
  3. Step 3: Cross multiply
    103,831.17x = 155,739.46 × 59,318.43
  4. Step 4: Simplify right side
    103,831.17x = 9,238,219,635.15
  5. Step 5: Solve for x
    x = 9,238,219,635.15/103,831.17
  6. Step 6: Final answer
    x = 88,973.47

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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.