Home / 61,614.14-85,030.56-36,120.20

Finding the Fourth Proportional to 61,614.14, 85,030.56 and 36,120.20

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Solution

The fourth proportional to 61,614.14, 85,030.56 and 36,120.20 is: 49,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,614.14 : 85,030.56 = 36,120.20 : x
  2. Step 2: Convert to fraction form
    61,614.14/85,030.56 = 36,120.20/x
  3. Step 3: Cross multiply
    61,614.14x = 85,030.56 × 36,120.20
  4. Step 4: Simplify right side
    61,614.14x = 3,071,320,408.16
  5. Step 5: Solve for x
    x = 3,071,320,408.16/61,614.14
  6. Step 6: Final answer
    x = 49,847.66

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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.