Home / 107,777.79-148,737.06-62,455.86

Finding the Fourth Proportional to 107,777.79, 148,737.06 and 62,455.86

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Solution

The fourth proportional to 107,777.79, 148,737.06 and 62,455.86 is: 86,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,777.79 : 148,737.06 = 62,455.86 : x
  2. Step 2: Convert to fraction form
    107,777.79/148,737.06 = 62,455.86/x
  3. Step 3: Cross multiply
    107,777.79x = 148,737.06 × 62,455.86
  4. Step 4: Simplify right side
    107,777.79x = 9,289,500,996.17
  5. Step 5: Solve for x
    x = 9,289,500,996.17/107,777.79
  6. Step 6: Final answer
    x = 86,191.24

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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.