Home / 99,345.80-148,986.30-37,008.20

Finding the Fourth Proportional to 99,345.80, 148,986.30 and 37,008.20

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Solution

The fourth proportional to 99,345.80, 148,986.30 and 37,008.20 is: 55,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,345.80 : 148,986.30 = 37,008.20 : x
  2. Step 2: Convert to fraction form
    99,345.80/148,986.30 = 37,008.20/x
  3. Step 3: Cross multiply
    99,345.80x = 148,986.30 × 37,008.20
  4. Step 4: Simplify right side
    99,345.80x = 5,513,714,787.66
  5. Step 5: Solve for x
    x = 5,513,714,787.66/99,345.80
  6. Step 6: Final answer
    x = 55,500.23

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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.