Home / 79,740.29-119,684.54-40,325.69

Finding the Fourth Proportional to 79,740.29, 119,684.54 and 40,325.69

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Solution

The fourth proportional to 79,740.29, 119,684.54 and 40,325.69 is: 60,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,740.29 : 119,684.54 = 40,325.69 : x
  2. Step 2: Convert to fraction form
    79,740.29/119,684.54 = 40,325.69/x
  3. Step 3: Cross multiply
    79,740.29x = 119,684.54 × 40,325.69
  4. Step 4: Simplify right side
    79,740.29x = 4,826,360,857.78
  5. Step 5: Solve for x
    x = 4,826,360,857.78/79,740.29
  6. Step 6: Final answer
    x = 60,526.00

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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.