Home / 98,247.12-147,247.44-42,021.24

Finding the Fourth Proportional to 98,247.12, 147,247.44 and 42,021.24

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Solution

The fourth proportional to 98,247.12, 147,247.44 and 42,021.24 is: 62,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,247.12 : 147,247.44 = 42,021.24 : x
  2. Step 2: Convert to fraction form
    98,247.12/147,247.44 = 42,021.24/x
  3. Step 3: Cross multiply
    98,247.12x = 147,247.44 × 42,021.24
  4. Step 4: Simplify right side
    98,247.12x = 6,187,520,015.63
  5. Step 5: Solve for x
    x = 6,187,520,015.63/98,247.12
  6. Step 6: Final answer
    x = 62,979.15

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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.