Home / 108,433.18-149,653.56-62,483.92

Finding the Fourth Proportional to 108,433.18, 149,653.56 and 62,483.92

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Solution

The fourth proportional to 108,433.18, 149,653.56 and 62,483.92 is: 86,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,433.18 : 149,653.56 = 62,483.92 : x
  2. Step 2: Convert to fraction form
    108,433.18/149,653.56 = 62,483.92/x
  3. Step 3: Cross multiply
    108,433.18x = 149,653.56 × 62,483.92
  4. Step 4: Simplify right side
    108,433.18x = 9,350,941,070.76
  5. Step 5: Solve for x
    x = 9,350,941,070.76/108,433.18
  6. Step 6: Final answer
    x = 86,236.90

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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.