Home / 99,973.04-149,959.53-40,028.49

Finding the Fourth Proportional to 99,973.04, 149,959.53 and 40,028.49

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Solution

The fourth proportional to 99,973.04, 149,959.53 and 40,028.49 is: 60,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,973.04 : 149,959.53 = 40,028.49 : x
  2. Step 2: Convert to fraction form
    99,973.04/149,959.53 = 40,028.49/x
  3. Step 3: Cross multiply
    99,973.04x = 149,959.53 × 40,028.49
  4. Step 4: Simplify right side
    99,973.04x = 6,002,653,547.01
  5. Step 5: Solve for x
    x = 6,002,653,547.01/99,973.04
  6. Step 6: Final answer
    x = 60,042.73

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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.