Home / 98,047.17-147,119.36-38,881.53

Finding the Fourth Proportional to 98,047.17, 147,119.36 and 38,881.53

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Solution

The fourth proportional to 98,047.17, 147,119.36 and 38,881.53 is: 58,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,047.17 : 147,119.36 = 38,881.53 : x
  2. Step 2: Convert to fraction form
    98,047.17/147,119.36 = 38,881.53/x
  3. Step 3: Cross multiply
    98,047.17x = 147,119.36 × 38,881.53
  4. Step 4: Simplify right side
    98,047.17x = 5,720,224,879.42
  5. Step 5: Solve for x
    x = 5,720,224,879.42/98,047.17
  6. Step 6: Final answer
    x = 58,341.56

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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.