Home / 107,478.24-148,308.14-62,149.34

Finding the Fourth Proportional to 107,478.24, 148,308.14 and 62,149.34

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Solution

The fourth proportional to 107,478.24, 148,308.14 and 62,149.34 is: 85,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,478.24 : 148,308.14 = 62,149.34 : x
  2. Step 2: Convert to fraction form
    107,478.24/148,308.14 = 62,149.34/x
  3. Step 3: Cross multiply
    107,478.24x = 148,308.14 × 62,149.34
  4. Step 4: Simplify right side
    107,478.24x = 9,217,253,017.63
  5. Step 5: Solve for x
    x = 9,217,253,017.63/107,478.24
  6. Step 6: Final answer
    x = 85,759.25

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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.