Home / 100,319.04-150,377.45-62,905.55

Finding the Fourth Proportional to 100,319.04, 150,377.45 and 62,905.55

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Solution

The fourth proportional to 100,319.04, 150,377.45 and 62,905.55 is: 94,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,319.04 : 150,377.45 = 62,905.55 : x
  2. Step 2: Convert to fraction form
    100,319.04/150,377.45 = 62,905.55/x
  3. Step 3: Cross multiply
    100,319.04x = 150,377.45 × 62,905.55
  4. Step 4: Simplify right side
    100,319.04x = 9,459,575,133.43
  5. Step 5: Solve for x
    x = 9,459,575,133.43/100,319.04
  6. Step 6: Final answer
    x = 94,294.91

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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.