Home / 60,028.12-90,041.10-20,585.44

Finding the Fourth Proportional to 60,028.12, 90,041.10 and 20,585.44

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Solution

The fourth proportional to 60,028.12, 90,041.10 and 20,585.44 is: 30,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,028.12 : 90,041.10 = 20,585.44 : x
  2. Step 2: Convert to fraction form
    60,028.12/90,041.10 = 20,585.44/x
  3. Step 3: Cross multiply
    60,028.12x = 90,041.10 × 20,585.44
  4. Step 4: Simplify right side
    60,028.12x = 1,853,535,661.58
  5. Step 5: Solve for x
    x = 1,853,535,661.58/60,028.12
  6. Step 6: Final answer
    x = 30,877.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.