Home / 83,545.56-115,284.96-47,735.28

Finding the Fourth Proportional to 83,545.56, 115,284.96 and 47,735.28

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Solution

The fourth proportional to 83,545.56, 115,284.96 and 47,735.28 is: 65,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,545.56 : 115,284.96 = 47,735.28 : x
  2. Step 2: Convert to fraction form
    83,545.56/115,284.96 = 47,735.28/x
  3. Step 3: Cross multiply
    83,545.56x = 115,284.96 × 47,735.28
  4. Step 4: Simplify right side
    83,545.56x = 5,503,159,845.39
  5. Step 5: Solve for x
    x = 5,503,159,845.39/83,545.56
  6. Step 6: Final answer
    x = 65,870.17

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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.