Home / 98,531.46-147,800.34-38,557.56

Finding the Fourth Proportional to 98,531.46, 147,800.34 and 38,557.56

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Solution

The fourth proportional to 98,531.46, 147,800.34 and 38,557.56 is: 57,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,531.46 : 147,800.34 = 38,557.56 : x
  2. Step 2: Convert to fraction form
    98,531.46/147,800.34 = 38,557.56/x
  3. Step 3: Cross multiply
    98,531.46x = 147,800.34 × 38,557.56
  4. Step 4: Simplify right side
    98,531.46x = 5,698,820,477.57
  5. Step 5: Solve for x
    x = 5,698,820,477.57/98,531.46
  6. Step 6: Final answer
    x = 57,837.57

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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.