Home / 70,585.05-97,379.59-40,354.13

Finding the Fourth Proportional to 70,585.05, 97,379.59 and 40,354.13

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Solution

The fourth proportional to 70,585.05, 97,379.59 and 40,354.13 is: 55,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,585.05 : 97,379.59 = 40,354.13 : x
  2. Step 2: Convert to fraction form
    70,585.05/97,379.59 = 40,354.13/x
  3. Step 3: Cross multiply
    70,585.05x = 97,379.59 × 40,354.13
  4. Step 4: Simplify right side
    70,585.05x = 3,929,668,634.21
  5. Step 5: Solve for x
    x = 3,929,668,634.21/70,585.05
  6. Step 6: Final answer
    x = 55,672.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.