Home / 103,493.12-155,292.53-44,312.90

Finding the Fourth Proportional to 103,493.12, 155,292.53 and 44,312.90

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Solution

The fourth proportional to 103,493.12, 155,292.53 and 44,312.90 is: 66,491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,493.12 : 155,292.53 = 44,312.90 : x
  2. Step 2: Convert to fraction form
    103,493.12/155,292.53 = 44,312.90/x
  3. Step 3: Cross multiply
    103,493.12x = 155,292.53 × 44,312.90
  4. Step 4: Simplify right side
    103,493.12x = 6,881,461,354.61
  5. Step 5: Solve for x
    x = 6,881,461,354.61/103,493.12
  6. Step 6: Final answer
    x = 66,491.97

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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.