Home / 88,705.47-122,395.28-50,972.43

Finding the Fourth Proportional to 88,705.47, 122,395.28 and 50,972.43

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Solution

The fourth proportional to 88,705.47, 122,395.28 and 50,972.43 is: 70,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705.47 : 122,395.28 = 50,972.43 : x
  2. Step 2: Convert to fraction form
    88,705.47/122,395.28 = 50,972.43/x
  3. Step 3: Cross multiply
    88,705.47x = 122,395.28 × 50,972.43
  4. Step 4: Simplify right side
    88,705.47x = 6,238,784,587.27
  5. Step 5: Solve for x
    x = 6,238,784,587.27/88,705.47
  6. Step 6: Final answer
    x = 70,331.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.