Home / 107,454.80-148,281.10-59,706.51

Finding the Fourth Proportional to 107,454.80, 148,281.10 and 59,706.51

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Solution

The fourth proportional to 107,454.80, 148,281.10 and 59,706.51 is: 82,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,454.80 : 148,281.10 = 59,706.51 : x
  2. Step 2: Convert to fraction form
    107,454.80/148,281.10 = 59,706.51/x
  3. Step 3: Cross multiply
    107,454.80x = 148,281.10 × 59,706.51
  4. Step 4: Simplify right side
    107,454.80x = 8,853,346,979.96
  5. Step 5: Solve for x
    x = 8,853,346,979.96/107,454.80
  6. Step 6: Final answer
    x = 82,391.36

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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.