Home / 61,456.12-84,820.28-58,651.32

Finding the Fourth Proportional to 61,456.12, 84,820.28 and 58,651.32

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Solution

The fourth proportional to 61,456.12, 84,820.28 and 58,651.32 is: 80,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,456.12 : 84,820.28 = 58,651.32 : x
  2. Step 2: Convert to fraction form
    61,456.12/84,820.28 = 58,651.32/x
  3. Step 3: Cross multiply
    61,456.12x = 84,820.28 × 58,651.32
  4. Step 4: Simplify right side
    61,456.12x = 4,974,821,384.77
  5. Step 5: Solve for x
    x = 4,974,821,384.77/61,456.12
  6. Step 6: Final answer
    x = 80,949.16

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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.