Home / 98,567.39-147,820.06-31,992.14

Finding the Fourth Proportional to 98,567.39, 147,820.06 and 31,992.14

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Solution

The fourth proportional to 98,567.39, 147,820.06 and 31,992.14 is: 47,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,567.39 : 147,820.06 = 31,992.14 : x
  2. Step 2: Convert to fraction form
    98,567.39/147,820.06 = 31,992.14/x
  3. Step 3: Cross multiply
    98,567.39x = 147,820.06 × 31,992.14
  4. Step 4: Simplify right side
    98,567.39x = 4,729,079,235.25
  5. Step 5: Solve for x
    x = 4,729,079,235.25/98,567.39
  6. Step 6: Final answer
    x = 47,978.13

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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.