Home / 83,528.13-115,269.60-45,287.58

Finding the Fourth Proportional to 83,528.13, 115,269.60 and 45,287.58

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Solution

The fourth proportional to 83,528.13, 115,269.60 and 45,287.58 is: 62,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,528.13 : 115,269.60 = 45,287.58 : x
  2. Step 2: Convert to fraction form
    83,528.13/115,269.60 = 45,287.58/x
  3. Step 3: Cross multiply
    83,528.13x = 115,269.60 × 45,287.58
  4. Step 4: Simplify right side
    83,528.13x = 5,220,281,231.57
  5. Step 5: Solve for x
    x = 5,220,281,231.57/83,528.13
  6. Step 6: Final answer
    x = 62,497.28

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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.