Home / 83,624.04-115,400.88-45,383.76

Finding the Fourth Proportional to 83,624.04, 115,400.88 and 45,383.76

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Solution

The fourth proportional to 83,624.04, 115,400.88 and 45,383.76 is: 62,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,624.04 : 115,400.88 = 45,383.76 : x
  2. Step 2: Convert to fraction form
    83,624.04/115,400.88 = 45,383.76/x
  3. Step 3: Cross multiply
    83,624.04x = 115,400.88 × 45,383.76
  4. Step 4: Simplify right side
    83,624.04x = 5,237,325,841.71
  5. Step 5: Solve for x
    x = 5,237,325,841.71/83,624.04
  6. Step 6: Final answer
    x = 62,629.43

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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.