Home / 105,680.06-145,833.01-60,349.15

Finding the Fourth Proportional to 105,680.06, 145,833.01 and 60,349.15

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Solution

The fourth proportional to 105,680.06, 145,833.01 and 60,349.15 is: 83,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,680.06 : 145,833.01 = 60,349.15 : x
  2. Step 2: Convert to fraction form
    105,680.06/145,833.01 = 60,349.15/x
  3. Step 3: Cross multiply
    105,680.06x = 145,833.01 × 60,349.15
  4. Step 4: Simplify right side
    105,680.06x = 8,800,898,226.86
  5. Step 5: Solve for x
    x = 8,800,898,226.86/105,680.06
  6. Step 6: Final answer
    x = 83,278.70

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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.