Home / 79,715.04-119,532-44,645.28

Finding the Fourth Proportional to 79,715.04, 119,532 and 44,645.28

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Solution

The fourth proportional to 79,715.04, 119,532 and 44,645.28 is: 66,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,715.04 : 119,532 = 44,645.28 : x
  2. Step 2: Convert to fraction form
    79,715.04/119,532 = 44,645.28/x
  3. Step 3: Cross multiply
    79,715.04x = 119,532 × 44,645.28
  4. Step 4: Simplify right side
    79,715.04x = 5,336,539,608.96
  5. Step 5: Solve for x
    x = 5,336,539,608.96/79,715.04
  6. Step 6: Final answer
    x = 66,945.20

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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.