Home / 98,060.96-147,106.08-45,475.76

Finding the Fourth Proportional to 98,060.96, 147,106.08 and 45,475.76

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Solution

The fourth proportional to 98,060.96, 147,106.08 and 45,475.76 is: 68,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,060.96 : 147,106.08 = 45,475.76 : x
  2. Step 2: Convert to fraction form
    98,060.96/147,106.08 = 45,475.76/x
  3. Step 3: Cross multiply
    98,060.96x = 147,106.08 × 45,475.76
  4. Step 4: Simplify right side
    98,060.96x = 6,689,760,788.62
  5. Step 5: Solve for x
    x = 6,689,760,788.62/98,060.96
  6. Step 6: Final answer
    x = 68,220.43

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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.