Home / 61,965.16-85,512.20-35,112.89

Finding the Fourth Proportional to 61,965.16, 85,512.20 and 35,112.89

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Solution

The fourth proportional to 61,965.16, 85,512.20 and 35,112.89 is: 48,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,965.16 : 85,512.20 = 35,112.89 : x
  2. Step 2: Convert to fraction form
    61,965.16/85,512.20 = 35,112.89/x
  3. Step 3: Cross multiply
    61,965.16x = 85,512.20 × 35,112.89
  4. Step 4: Simplify right side
    61,965.16x = 3,002,580,510.47
  5. Step 5: Solve for x
    x = 3,002,580,510.47/61,965.16
  6. Step 6: Final answer
    x = 48,455.95

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1.5x scale

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.