Home / 60,701.10-91,048.40-18,581.20

Finding the Fourth Proportional to 60,701.10, 91,048.40 and 18,581.20

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Solution

The fourth proportional to 60,701.10, 91,048.40 and 18,581.20 is: 27,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,701.10 : 91,048.40 = 18,581.20 : x
  2. Step 2: Convert to fraction form
    60,701.10/91,048.40 = 18,581.20/x
  3. Step 3: Cross multiply
    60,701.10x = 91,048.40 × 18,581.20
  4. Step 4: Simplify right side
    60,701.10x = 1,691,788,530.08
  5. Step 5: Solve for x
    x = 1,691,788,530.08/60,701.10
  6. Step 6: Final answer
    x = 27,870.81

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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.