Home / 113,821.69-157,074.17-62,834.49

Finding the Fourth Proportional to 113,821.69, 157,074.17 and 62,834.49

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Solution

The fourth proportional to 113,821.69, 157,074.17 and 62,834.49 is: 86,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,821.69 : 157,074.17 = 62,834.49 : x
  2. Step 2: Convert to fraction form
    113,821.69/157,074.17 = 62,834.49/x
  3. Step 3: Cross multiply
    113,821.69x = 157,074.17 × 62,834.49
  4. Step 4: Simplify right side
    113,821.69x = 9,869,674,657.27
  5. Step 5: Solve for x
    x = 9,869,674,657.27/113,821.69
  6. Step 6: Final answer
    x = 86,711.72

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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.