Home / 83,336.72-115,001.88-47,538.32

Finding the Fourth Proportional to 83,336.72, 115,001.88 and 47,538.32

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Solution

The fourth proportional to 83,336.72, 115,001.88 and 47,538.32 is: 65,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,336.72 : 115,001.88 = 47,538.32 : x
  2. Step 2: Convert to fraction form
    83,336.72/115,001.88 = 47,538.32/x
  3. Step 3: Cross multiply
    83,336.72x = 115,001.88 × 47,538.32
  4. Step 4: Simplify right side
    83,336.72x = 5,466,996,172.04
  5. Step 5: Solve for x
    x = 5,466,996,172.04/83,336.72
  6. Step 6: Final answer
    x = 65,601.29

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1.5x scale

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.