Home / 83,438.16-115,255.08-62,180.52

Finding the Fourth Proportional to 83,438.16, 115,255.08 and 62,180.52

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Solution

The fourth proportional to 83,438.16, 115,255.08 and 62,180.52 is: 85,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,438.16 : 115,255.08 = 62,180.52 : x
  2. Step 2: Convert to fraction form
    83,438.16/115,255.08 = 62,180.52/x
  3. Step 3: Cross multiply
    83,438.16x = 115,255.08 × 62,180.52
  4. Step 4: Simplify right side
    83,438.16x = 7,166,620,807.04
  5. Step 5: Solve for x
    x = 7,166,620,807.04/83,438.16
  6. Step 6: Final answer
    x = 85,891.41

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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.