Home / 82,746.06-124,139.79-26,591.10

Finding the Fourth Proportional to 82,746.06, 124,139.79 and 26,591.10

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Solution

The fourth proportional to 82,746.06, 124,139.79 and 26,591.10 is: 39,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746.06 : 124,139.79 = 26,591.10 : x
  2. Step 2: Convert to fraction form
    82,746.06/124,139.79 = 26,591.10/x
  3. Step 3: Cross multiply
    82,746.06x = 124,139.79 × 26,591.10
  4. Step 4: Simplify right side
    82,746.06x = 3,301,013,569.87
  5. Step 5: Solve for x
    x = 3,301,013,569.87/82,746.06
  6. Step 6: Final answer
    x = 39,893.30

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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.