Home / 79,576.18-119,372.06-28,988.95

Finding the Fourth Proportional to 79,576.18, 119,372.06 and 28,988.95

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Solution

The fourth proportional to 79,576.18, 119,372.06 and 28,988.95 is: 43,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,576.18 : 119,372.06 = 28,988.95 : x
  2. Step 2: Convert to fraction form
    79,576.18/119,372.06 = 28,988.95/x
  3. Step 3: Cross multiply
    79,576.18x = 119,372.06 × 28,988.95
  4. Step 4: Simplify right side
    79,576.18x = 3,460,470,678.74
  5. Step 5: Solve for x
    x = 3,460,470,678.74/79,576.18
  6. Step 6: Final answer
    x = 43,486.26

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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.