Home / 98,388.18-147,586.88-31,833.52

Finding the Fourth Proportional to 98,388.18, 147,586.88 and 31,833.52

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Solution

The fourth proportional to 98,388.18, 147,586.88 and 31,833.52 is: 47,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,388.18 : 147,586.88 = 31,833.52 : x
  2. Step 2: Convert to fraction form
    98,388.18/147,586.88 = 31,833.52/x
  3. Step 3: Cross multiply
    98,388.18x = 147,586.88 × 31,833.52
  4. Step 4: Simplify right side
    98,388.18x = 4,698,208,999.12
  5. Step 5: Solve for x
    x = 4,698,208,999.12/98,388.18
  6. Step 6: Final answer
    x = 47,751.76

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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.