Home / 83,603.26-115,373.91-45,881.02

Finding the Fourth Proportional to 83,603.26, 115,373.91 and 45,881.02

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Solution

The fourth proportional to 83,603.26, 115,373.91 and 45,881.02 is: 63,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,603.26 : 115,373.91 = 45,881.02 : x
  2. Step 2: Convert to fraction form
    83,603.26/115,373.91 = 45,881.02/x
  3. Step 3: Cross multiply
    83,603.26x = 115,373.91 × 45,881.02
  4. Step 4: Simplify right side
    83,603.26x = 5,293,472,672.19
  5. Step 5: Solve for x
    x = 5,293,472,672.19/83,603.26
  6. Step 6: Final answer
    x = 63,316.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.