Home / 83,239.52-114,862.60-47,428.64

Finding the Fourth Proportional to 83,239.52, 114,862.60 and 47,428.64

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Solution

The fourth proportional to 83,239.52, 114,862.60 and 47,428.64 is: 65,447.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,239.52 : 114,862.60 = 47,428.64 : x
  2. Step 2: Convert to fraction form
    83,239.52/114,862.60 = 47,428.64/x
  3. Step 3: Cross multiply
    83,239.52x = 114,862.60 × 47,428.64
  4. Step 4: Simplify right side
    83,239.52x = 5,447,776,904.86
  5. Step 5: Solve for x
    x = 5,447,776,904.86/83,239.52
  6. Step 6: Final answer
    x = 65,447.00

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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.