Home / 98,820.18-148,113.63-36,417.78

Finding the Fourth Proportional to 98,820.18, 148,113.63 and 36,417.78

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Solution

The fourth proportional to 98,820.18, 148,113.63 and 36,417.78 is: 54,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,820.18 : 148,113.63 = 36,417.78 : x
  2. Step 2: Convert to fraction form
    98,820.18/148,113.63 = 36,417.78/x
  3. Step 3: Cross multiply
    98,820.18x = 148,113.63 × 36,417.78
  4. Step 4: Simplify right side
    98,820.18x = 5,393,969,592.34
  5. Step 5: Solve for x
    x = 5,393,969,592.34/98,820.18
  6. Step 6: Final answer
    x = 54,583.69

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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.