Home / 61,697.18-85,142.12-33,402.86

Finding the Fourth Proportional to 61,697.18, 85,142.12 and 33,402.86

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Solution

The fourth proportional to 61,697.18, 85,142.12 and 33,402.86 is: 46,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,697.18 : 85,142.12 = 33,402.86 : x
  2. Step 2: Convert to fraction form
    61,697.18/85,142.12 = 33,402.86/x
  3. Step 3: Cross multiply
    61,697.18x = 85,142.12 × 33,402.86
  4. Step 4: Simplify right side
    61,697.18x = 2,843,990,314.46
  5. Step 5: Solve for x
    x = 2,843,990,314.46/61,697.18
  6. Step 6: Final answer
    x = 46,095.95

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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.