Home / 107,387.80-148,198.62-59,641.72

Finding the Fourth Proportional to 107,387.80, 148,198.62 and 59,641.72

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Solution

The fourth proportional to 107,387.80, 148,198.62 and 59,641.72 is: 82,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,387.80 : 148,198.62 = 59,641.72 : x
  2. Step 2: Convert to fraction form
    107,387.80/148,198.62 = 59,641.72/x
  3. Step 3: Cross multiply
    107,387.80x = 148,198.62 × 59,641.72
  4. Step 4: Simplify right side
    107,387.80x = 8,838,820,598.43
  5. Step 5: Solve for x
    x = 8,838,820,598.43/107,387.80
  6. Step 6: Final answer
    x = 82,307.49

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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.