Home / 105,711.84-158,567.76-35,585.28

Finding the Fourth Proportional to 105,711.84, 158,567.76 and 35,585.28

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Solution

The fourth proportional to 105,711.84, 158,567.76 and 35,585.28 is: 53,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,711.84 : 158,567.76 = 35,585.28 : x
  2. Step 2: Convert to fraction form
    105,711.84/158,567.76 = 35,585.28/x
  3. Step 3: Cross multiply
    105,711.84x = 158,567.76 × 35,585.28
  4. Step 4: Simplify right side
    105,711.84x = 5,642,678,138.57
  5. Step 5: Solve for x
    x = 5,642,678,138.57/105,711.84
  6. Step 6: Final answer
    x = 53,377.92

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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.