Home / 98,013.86-147,021.81-38,850.04

Finding the Fourth Proportional to 98,013.86, 147,021.81 and 38,850.04

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Solution

The fourth proportional to 98,013.86, 147,021.81 and 38,850.04 is: 58,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,013.86 : 147,021.81 = 38,850.04 : x
  2. Step 2: Convert to fraction form
    98,013.86/147,021.81 = 38,850.04/x
  3. Step 3: Cross multiply
    98,013.86x = 147,021.81 × 38,850.04
  4. Step 4: Simplify right side
    98,013.86x = 5,711,803,199.37
  5. Step 5: Solve for x
    x = 5,711,803,199.37/98,013.86
  6. Step 6: Final answer
    x = 58,275.46

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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.