Home / 107,878.72-148,876.32-60,130.24

Finding the Fourth Proportional to 107,878.72, 148,876.32 and 60,130.24

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Solution

The fourth proportional to 107,878.72, 148,876.32 and 60,130.24 is: 82,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,878.72 : 148,876.32 = 60,130.24 : x
  2. Step 2: Convert to fraction form
    107,878.72/148,876.32 = 60,130.24/x
  3. Step 3: Cross multiply
    107,878.72x = 148,876.32 × 60,130.24
  4. Step 4: Simplify right side
    107,878.72x = 8,951,968,851.92
  5. Step 5: Solve for x
    x = 8,951,968,851.92/107,878.72
  6. Step 6: Final answer
    x = 82,981.79

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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.