Home / 75,319.23-112,818.06-39,668.16

Finding the Fourth Proportional to 75,319.23, 112,818.06 and 39,668.16

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Solution

The fourth proportional to 75,319.23, 112,818.06 and 39,668.16 is: 59,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,319.23 : 112,818.06 = 39,668.16 : x
  2. Step 2: Convert to fraction form
    75,319.23/112,818.06 = 39,668.16/x
  3. Step 3: Cross multiply
    75,319.23x = 112,818.06 × 39,668.16
  4. Step 4: Simplify right side
    75,319.23x = 4,475,284,854.97
  5. Step 5: Solve for x
    x = 4,475,284,854.97/75,319.23
  6. Step 6: Final answer
    x = 59,417.56

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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.