Home / 79,764.40-119,646.06-38,085.04

Finding the Fourth Proportional to 79,764.40, 119,646.06 and 38,085.04

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Solution

The fourth proportional to 79,764.40, 119,646.06 and 38,085.04 is: 57,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,764.40 : 119,646.06 = 38,085.04 : x
  2. Step 2: Convert to fraction form
    79,764.40/119,646.06 = 38,085.04/x
  3. Step 3: Cross multiply
    79,764.40x = 119,646.06 × 38,085.04
  4. Step 4: Simplify right side
    79,764.40x = 4,556,724,980.94
  5. Step 5: Solve for x
    x = 4,556,724,980.94/79,764.40
  6. Step 6: Final answer
    x = 57,127.30

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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.