Home / 83,159.17-124,769.73-49,903.09

Finding the Fourth Proportional to 83,159.17, 124,769.73 and 49,903.09

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Solution

The fourth proportional to 83,159.17, 124,769.73 and 49,903.09 is: 74,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,159.17 : 124,769.73 = 49,903.09 : x
  2. Step 2: Convert to fraction form
    83,159.17/124,769.73 = 49,903.09/x
  3. Step 3: Cross multiply
    83,159.17x = 124,769.73 × 49,903.09
  4. Step 4: Simplify right side
    83,159.17x = 6,226,395,065.47
  5. Step 5: Solve for x
    x = 6,226,395,065.47/83,159.17
  6. Step 6: Final answer
    x = 74,873.22

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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.