Home / 98,434.17-147,670.74-36,105.21

Finding the Fourth Proportional to 98,434.17, 147,670.74 and 36,105.21

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Solution

The fourth proportional to 98,434.17, 147,670.74 and 36,105.21 is: 54,164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,434.17 : 147,670.74 = 36,105.21 : x
  2. Step 2: Convert to fraction form
    98,434.17/147,670.74 = 36,105.21/x
  3. Step 3: Cross multiply
    98,434.17x = 147,670.74 × 36,105.21
  4. Step 4: Simplify right side
    98,434.17x = 5,331,683,078.56
  5. Step 5: Solve for x
    x = 5,331,683,078.56/98,434.17
  6. Step 6: Final answer
    x = 54,164.96

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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.