Home / 107,539.80-148,400.66-59,789.64

Finding the Fourth Proportional to 107,539.80, 148,400.66 and 59,789.64

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Solution

The fourth proportional to 107,539.80, 148,400.66 and 59,789.64 is: 82,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,539.80 : 148,400.66 = 59,789.64 : x
  2. Step 2: Convert to fraction form
    107,539.80/148,400.66 = 59,789.64/x
  3. Step 3: Cross multiply
    107,539.80x = 148,400.66 × 59,789.64
  4. Step 4: Simplify right side
    107,539.80x = 8,872,822,037.16
  5. Step 5: Solve for x
    x = 8,872,822,037.16/107,539.80
  6. Step 6: Final answer
    x = 82,507.33

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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.