Home / 107,875.89-148,873.77-60,129.59

Finding the Fourth Proportional to 107,875.89, 148,873.77 and 60,129.59

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Solution

The fourth proportional to 107,875.89, 148,873.77 and 60,129.59 is: 82,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,875.89 : 148,873.77 = 60,129.59 : x
  2. Step 2: Convert to fraction form
    107,875.89/148,873.77 = 60,129.59/x
  3. Step 3: Cross multiply
    107,875.89x = 148,873.77 × 60,129.59
  4. Step 4: Simplify right side
    107,875.89x = 8,951,718,007.49
  5. Step 5: Solve for x
    x = 8,951,718,007.49/107,875.89
  6. Step 6: Final answer
    x = 82,981.64

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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.