Home / 105,594.86-145,731.38-60,279.66

Finding the Fourth Proportional to 105,594.86, 145,731.38 and 60,279.66

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Solution

The fourth proportional to 105,594.86, 145,731.38 and 60,279.66 is: 83,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,594.86 : 145,731.38 = 60,279.66 : x
  2. Step 2: Convert to fraction form
    105,594.86/145,731.38 = 60,279.66/x
  3. Step 3: Cross multiply
    105,594.86x = 145,731.38 × 60,279.66
  4. Step 4: Simplify right side
    105,594.86x = 8,784,637,736.33
  5. Step 5: Solve for x
    x = 8,784,637,736.33/105,594.86
  6. Step 6: Final answer
    x = 83,191.90

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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.