Home / 83,666.12-115,458.60-45,424.92

Finding the Fourth Proportional to 83,666.12, 115,458.60 and 45,424.92

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Solution

The fourth proportional to 83,666.12, 115,458.60 and 45,424.92 is: 62,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,666.12 : 115,458.60 = 45,424.92 : x
  2. Step 2: Convert to fraction form
    83,666.12/115,458.60 = 45,424.92/x
  3. Step 3: Cross multiply
    83,666.12x = 115,458.60 × 45,424.92
  4. Step 4: Simplify right side
    83,666.12x = 5,244,697,065.00
  5. Step 5: Solve for x
    x = 5,244,697,065.00/83,666.12
  6. Step 6: Final answer
    x = 62,686.03

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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.