Home / 83,117.33-124,639.93-45,666.17

Finding the Fourth Proportional to 83,117.33, 124,639.93 and 45,666.17

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Solution

The fourth proportional to 83,117.33, 124,639.93 and 45,666.17 is: 68,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,117.33 : 124,639.93 = 45,666.17 : x
  2. Step 2: Convert to fraction form
    83,117.33/124,639.93 = 45,666.17/x
  3. Step 3: Cross multiply
    83,117.33x = 124,639.93 × 45,666.17
  4. Step 4: Simplify right side
    83,117.33x = 5,691,828,118.00
  5. Step 5: Solve for x
    x = 5,691,828,118.00/83,117.33
  6. Step 6: Final answer
    x = 68,479.44

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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.