Home / 61,878.20-85,389.32-35,022.17

Finding the Fourth Proportional to 61,878.20, 85,389.32 and 35,022.17

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Solution

The fourth proportional to 61,878.20, 85,389.32 and 35,022.17 is: 48,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,878.20 : 85,389.32 = 35,022.17 : x
  2. Step 2: Convert to fraction form
    61,878.20/85,389.32 = 35,022.17/x
  3. Step 3: Cross multiply
    61,878.20x = 85,389.32 × 35,022.17
  4. Step 4: Simplify right side
    61,878.20x = 2,990,519,582.25
  5. Step 5: Solve for x
    x = 2,990,519,582.25/61,878.20
  6. Step 6: Final answer
    x = 48,329.13

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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.