Home / 80,760.42-121,165.44-41,345.20

Finding the Fourth Proportional to 80,760.42, 121,165.44 and 41,345.20

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Solution

The fourth proportional to 80,760.42, 121,165.44 and 41,345.20 is: 62,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,760.42 : 121,165.44 = 41,345.20 : x
  2. Step 2: Convert to fraction form
    80,760.42/121,165.44 = 41,345.20/x
  3. Step 3: Cross multiply
    80,760.42x = 121,165.44 × 41,345.20
  4. Step 4: Simplify right side
    80,760.42x = 5,009,609,349.89
  5. Step 5: Solve for x
    x = 5,009,609,349.89/80,760.42
  6. Step 6: Final answer
    x = 62,030.50

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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.