Home / 83,685.76-125,370.33-64,873.61

Finding the Fourth Proportional to 83,685.76, 125,370.33 and 64,873.61

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Solution

The fourth proportional to 83,685.76, 125,370.33 and 64,873.61 is: 97,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,685.76 : 125,370.33 = 64,873.61 : x
  2. Step 2: Convert to fraction form
    83,685.76/125,370.33 = 64,873.61/x
  3. Step 3: Cross multiply
    83,685.76x = 125,370.33 × 64,873.61
  4. Step 4: Simplify right side
    83,685.76x = 8,133,225,858.92
  5. Step 5: Solve for x
    x = 8,133,225,858.92/83,685.76
  6. Step 6: Final answer
    x = 97,187.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.