Home / 61,818.15-85,284.90-40,333.17

Finding the Fourth Proportional to 61,818.15, 85,284.90 and 40,333.17

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Solution

The fourth proportional to 61,818.15, 85,284.90 and 40,333.17 is: 55,644.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,818.15 : 85,284.90 = 40,333.17 : x
  2. Step 2: Convert to fraction form
    61,818.15/85,284.90 = 40,333.17/x
  3. Step 3: Cross multiply
    61,818.15x = 85,284.90 × 40,333.17
  4. Step 4: Simplify right side
    61,818.15x = 3,439,810,370.13
  5. Step 5: Solve for x
    x = 3,439,810,370.13/61,818.15
  6. Step 6: Final answer
    x = 55,644.02

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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.