Home / 79,575.18-119,370.56-28,987.95

Finding the Fourth Proportional to 79,575.18, 119,370.56 and 28,987.95

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Solution

The fourth proportional to 79,575.18, 119,370.56 and 28,987.95 is: 43,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,575.18 : 119,370.56 = 28,987.95 : x
  2. Step 2: Convert to fraction form
    79,575.18/119,370.56 = 28,987.95/x
  3. Step 3: Cross multiply
    79,575.18x = 119,370.56 × 28,987.95
  4. Step 4: Simplify right side
    79,575.18x = 3,460,307,824.75
  5. Step 5: Solve for x
    x = 3,460,307,824.75/79,575.18
  6. Step 6: Final answer
    x = 43,484.76

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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.