Home / 105,909.12-146,113.92-60,577.92

Finding the Fourth Proportional to 105,909.12, 146,113.92 and 60,577.92

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Solution

The fourth proportional to 105,909.12, 146,113.92 and 60,577.92 is: 83,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,909.12 : 146,113.92 = 60,577.92 : x
  2. Step 2: Convert to fraction form
    105,909.12/146,113.92 = 60,577.92/x
  3. Step 3: Cross multiply
    105,909.12x = 146,113.92 × 60,577.92
  4. Step 4: Simplify right side
    105,909.12x = 8,851,277,356.65
  5. Step 5: Solve for x
    x = 8,851,277,356.65/105,909.12
  6. Step 6: Final answer
    x = 83,574.27

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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.