Home / 105,304.40-157,867.75-49,114.91

Finding the Fourth Proportional to 105,304.40, 157,867.75 and 49,114.91

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Solution

The fourth proportional to 105,304.40, 157,867.75 and 49,114.91 is: 73,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,304.40 : 157,867.75 = 49,114.91 : x
  2. Step 2: Convert to fraction form
    105,304.40/157,867.75 = 49,114.91/x
  3. Step 3: Cross multiply
    105,304.40x = 157,867.75 × 49,114.91
  4. Step 4: Simplify right side
    105,304.40x = 7,753,660,333.15
  5. Step 5: Solve for x
    x = 7,753,660,333.15/105,304.40
  6. Step 6: Final answer
    x = 73,630.92

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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.