Home / 94,777.12-142,118.16-31,575.04

Finding the Fourth Proportional to 94,777.12, 142,118.16 and 31,575.04

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Solution

The fourth proportional to 94,777.12, 142,118.16 and 31,575.04 is: 47,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,777.12 : 142,118.16 = 31,575.04 : x
  2. Step 2: Convert to fraction form
    94,777.12/142,118.16 = 31,575.04/x
  3. Step 3: Cross multiply
    94,777.12x = 142,118.16 × 31,575.04
  4. Step 4: Simplify right side
    94,777.12x = 4,487,386,586.73
  5. Step 5: Solve for x
    x = 4,487,386,586.73/94,777.12
  6. Step 6: Final answer
    x = 47,346.73

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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.