Home / 75,506.61-104,204.55-45,293.21

Finding the Fourth Proportional to 75,506.61, 104,204.55 and 45,293.21

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Solution

The fourth proportional to 75,506.61, 104,204.55 and 45,293.21 is: 62,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,506.61 : 104,204.55 = 45,293.21 : x
  2. Step 2: Convert to fraction form
    75,506.61/104,204.55 = 45,293.21/x
  3. Step 3: Cross multiply
    75,506.61x = 104,204.55 × 45,293.21
  4. Step 4: Simplify right side
    75,506.61x = 4,719,758,045.08
  5. Step 5: Solve for x
    x = 4,719,758,045.08/75,506.61
  6. Step 6: Final answer
    x = 62,507.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.