Home / 79,036.59-118,423.26-55,613.82

Finding the Fourth Proportional to 79,036.59, 118,423.26 and 55,613.82

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Solution

The fourth proportional to 79,036.59, 118,423.26 and 55,613.82 is: 83,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036.59 : 118,423.26 = 55,613.82 : x
  2. Step 2: Convert to fraction form
    79,036.59/118,423.26 = 55,613.82/x
  3. Step 3: Cross multiply
    79,036.59x = 118,423.26 × 55,613.82
  4. Step 4: Simplify right side
    79,036.59x = 6,585,969,865.45
  5. Step 5: Solve for x
    x = 6,585,969,865.45/79,036.59
  6. Step 6: Final answer
    x = 83,328.11

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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.