Home / 98,376.67-147,565.14-42,180.49

Finding the Fourth Proportional to 98,376.67, 147,565.14 and 42,180.49

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Solution

The fourth proportional to 98,376.67, 147,565.14 and 42,180.49 is: 63,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,376.67 : 147,565.14 = 42,180.49 : x
  2. Step 2: Convert to fraction form
    98,376.67/147,565.14 = 42,180.49/x
  3. Step 3: Cross multiply
    98,376.67x = 147,565.14 × 42,180.49
  4. Step 4: Simplify right side
    98,376.67x = 6,224,369,912.12
  5. Step 5: Solve for x
    x = 6,224,369,912.12/98,376.67
  6. Step 6: Final answer
    x = 63,270.79

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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.