Home / 65,712.39-98,567.15-18,326.22

Finding the Fourth Proportional to 65,712.39, 98,567.15 and 18,326.22

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Solution

The fourth proportional to 65,712.39, 98,567.15 and 18,326.22 is: 27,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,712.39 : 98,567.15 = 18,326.22 : x
  2. Step 2: Convert to fraction form
    65,712.39/98,567.15 = 18,326.22/x
  3. Step 3: Cross multiply
    65,712.39x = 98,567.15 × 18,326.22
  4. Step 4: Simplify right side
    65,712.39x = 1,806,363,567.91
  5. Step 5: Solve for x
    x = 1,806,363,567.91/65,712.39
  6. Step 6: Final answer
    x = 27,488.93

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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.