Home / 98,429.18-147,663.20-36,100.22

Finding the Fourth Proportional to 98,429.18, 147,663.20 and 36,100.22

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Solution

The fourth proportional to 98,429.18, 147,663.20 and 36,100.22 is: 54,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,429.18 : 147,663.20 = 36,100.22 : x
  2. Step 2: Convert to fraction form
    98,429.18/147,663.20 = 36,100.22/x
  3. Step 3: Cross multiply
    98,429.18x = 147,663.20 × 36,100.22
  4. Step 4: Simplify right side
    98,429.18x = 5,330,674,005.90
  5. Step 5: Solve for x
    x = 5,330,674,005.90/98,429.18
  6. Step 6: Final answer
    x = 54,157.46

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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.