Home / 83,054.10-124,496.10-40,869.30

Finding the Fourth Proportional to 83,054.10, 124,496.10 and 40,869.30

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Solution

The fourth proportional to 83,054.10, 124,496.10 and 40,869.30 is: 61,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,054.10 : 124,496.10 = 40,869.30 : x
  2. Step 2: Convert to fraction form
    83,054.10/124,496.10 = 40,869.30/x
  3. Step 3: Cross multiply
    83,054.10x = 124,496.10 × 40,869.30
  4. Step 4: Simplify right side
    83,054.10x = 5,088,068,459.73
  5. Step 5: Solve for x
    x = 5,088,068,459.73/83,054.10
  6. Step 6: Final answer
    x = 61,262.10

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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.