Home / 61,868.16-85,313.52-36,712.80

Finding the Fourth Proportional to 61,868.16, 85,313.52 and 36,712.80

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Solution

The fourth proportional to 61,868.16, 85,313.52 and 36,712.80 is: 50,625.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,868.16 : 85,313.52 = 36,712.80 : x
  2. Step 2: Convert to fraction form
    61,868.16/85,313.52 = 36,712.80/x
  3. Step 3: Cross multiply
    61,868.16x = 85,313.52 × 36,712.80
  4. Step 4: Simplify right side
    61,868.16x = 3,132,098,197.06
  5. Step 5: Solve for x
    x = 3,132,098,197.06/61,868.16
  6. Step 6: Final answer
    x = 50,625.37

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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.