Home / 109,875.49-151,627.44-62,129.03

Finding the Fourth Proportional to 109,875.49, 151,627.44 and 62,129.03

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Solution

The fourth proportional to 109,875.49, 151,627.44 and 62,129.03 is: 85,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,875.49 : 151,627.44 = 62,129.03 : x
  2. Step 2: Convert to fraction form
    109,875.49/151,627.44 = 62,129.03/x
  3. Step 3: Cross multiply
    109,875.49x = 151,627.44 × 62,129.03
  4. Step 4: Simplify right side
    109,875.49x = 9,420,465,243.43
  5. Step 5: Solve for x
    x = 9,420,465,243.43/109,875.49
  6. Step 6: Final answer
    x = 85,737.64

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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.