Home / 52,113.30-77,983.10-45,117.38

Finding the Fourth Proportional to 52,113.30, 77,983.10 and 45,117.38

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Solution

The fourth proportional to 52,113.30, 77,983.10 and 45,117.38 is: 67,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,113.30 : 77,983.10 = 45,117.38 : x
  2. Step 2: Convert to fraction form
    52,113.30/77,983.10 = 45,117.38/x
  3. Step 3: Cross multiply
    52,113.30x = 77,983.10 × 45,117.38
  4. Step 4: Simplify right side
    52,113.30x = 3,518,393,002.40
  5. Step 5: Solve for x
    x = 3,518,393,002.40/52,113.30
  6. Step 6: Final answer
    x = 67,514.30

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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.