Home / 79,509.80-119,207.40-40,094.72

Finding the Fourth Proportional to 79,509.80, 119,207.40 and 40,094.72

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Solution

The fourth proportional to 79,509.80, 119,207.40 and 40,094.72 is: 60,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,509.80 : 119,207.40 = 40,094.72 : x
  2. Step 2: Convert to fraction form
    79,509.80/119,207.40 = 40,094.72/x
  3. Step 3: Cross multiply
    79,509.80x = 119,207.40 × 40,094.72
  4. Step 4: Simplify right side
    79,509.80x = 4,779,587,324.93
  5. Step 5: Solve for x
    x = 4,779,587,324.93/79,509.80
  6. Step 6: Final answer
    x = 60,113.19

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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.