Home / 98,259.32-147,417.66-31,698.08

Finding the Fourth Proportional to 98,259.32, 147,417.66 and 31,698.08

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Solution

The fourth proportional to 98,259.32, 147,417.66 and 31,698.08 is: 47,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,259.32 : 147,417.66 = 31,698.08 : x
  2. Step 2: Convert to fraction form
    98,259.32/147,417.66 = 31,698.08/x
  3. Step 3: Cross multiply
    98,259.32x = 147,417.66 × 31,698.08
  4. Step 4: Simplify right side
    98,259.32x = 4,672,856,780.09
  5. Step 5: Solve for x
    x = 4,672,856,780.09/98,259.32
  6. Step 6: Final answer
    x = 47,556.37

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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.