Home / 83,254.30-124,516.95-74,433.40

Finding the Fourth Proportional to 83,254.30, 124,516.95 and 74,433.40

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Solution

The fourth proportional to 83,254.30, 124,516.95 and 74,433.40 is: 111,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,254.30 : 124,516.95 = 74,433.40 : x
  2. Step 2: Convert to fraction form
    83,254.30/124,516.95 = 74,433.40/x
  3. Step 3: Cross multiply
    83,254.30x = 124,516.95 × 74,433.40
  4. Step 4: Simplify right side
    83,254.30x = 9,268,219,946.13
  5. Step 5: Solve for x
    x = 9,268,219,946.13/83,254.30
  6. Step 6: Final answer
    x = 111,324.22

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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.