Home / 45,758.10-68,332.64-45,263.30

Finding the Fourth Proportional to 45,758.10, 68,332.64 and 45,263.30

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Solution

The fourth proportional to 45,758.10, 68,332.64 and 45,263.30 is: 67,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,758.10 : 68,332.64 = 45,263.30 : x
  2. Step 2: Convert to fraction form
    45,758.10/68,332.64 = 45,263.30/x
  3. Step 3: Cross multiply
    45,758.10x = 68,332.64 × 45,263.30
  4. Step 4: Simplify right side
    45,758.10x = 3,092,960,784.11
  5. Step 5: Solve for x
    x = 3,092,960,784.11/45,758.10
  6. Step 6: Final answer
    x = 67,593.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.