Home / 105,219.42-157,830.57-58,767.90

Finding the Fourth Proportional to 105,219.42, 157,830.57 and 58,767.90

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Solution

The fourth proportional to 105,219.42, 157,830.57 and 58,767.90 is: 88,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,219.42 : 157,830.57 = 58,767.90 : x
  2. Step 2: Convert to fraction form
    105,219.42/157,830.57 = 58,767.90/x
  3. Step 3: Cross multiply
    105,219.42x = 157,830.57 × 58,767.90
  4. Step 4: Simplify right side
    105,219.42x = 9,275,371,154.70
  5. Step 5: Solve for x
    x = 9,275,371,154.70/105,219.42
  6. Step 6: Final answer
    x = 88,152.65

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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.