Home / 105,417.26-158,195.92-49,261.71

Finding the Fourth Proportional to 105,417.26, 158,195.92 and 49,261.71

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Solution

The fourth proportional to 105,417.26, 158,195.92 and 49,261.71 is: 73,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,417.26 : 158,195.92 = 49,261.71 : x
  2. Step 2: Convert to fraction form
    105,417.26/158,195.92 = 49,261.71/x
  3. Step 3: Cross multiply
    105,417.26x = 158,195.92 × 49,261.71
  4. Step 4: Simplify right side
    105,417.26x = 7,793,001,411.07
  5. Step 5: Solve for x
    x = 7,793,001,411.07/105,417.26
  6. Step 6: Final answer
    x = 73,925.29

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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.