Home / 83,532.04-115,273.14-47,721.76

Finding the Fourth Proportional to 83,532.04, 115,273.14 and 47,721.76

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Solution

The fourth proportional to 83,532.04, 115,273.14 and 47,721.76 is: 65,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,532.04 : 115,273.14 = 47,721.76 : x
  2. Step 2: Convert to fraction form
    83,532.04/115,273.14 = 47,721.76/x
  3. Step 3: Cross multiply
    83,532.04x = 115,273.14 × 47,721.76
  4. Step 4: Simplify right side
    83,532.04x = 5,501,037,121.53
  5. Step 5: Solve for x
    x = 5,501,037,121.53/83,532.04
  6. Step 6: Final answer
    x = 65,855.41

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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.