Home / 80,291.47-120,439.16-26,984.23

Finding the Fourth Proportional to 80,291.47, 120,439.16 and 26,984.23

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Solution

The fourth proportional to 80,291.47, 120,439.16 and 26,984.23 is: 40,477.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,291.47 : 120,439.16 = 26,984.23 : x
  2. Step 2: Convert to fraction form
    80,291.47/120,439.16 = 26,984.23/x
  3. Step 3: Cross multiply
    80,291.47x = 120,439.16 × 26,984.23
  4. Step 4: Simplify right side
    80,291.47x = 3,249,957,760.81
  5. Step 5: Solve for x
    x = 3,249,957,760.81/80,291.47
  6. Step 6: Final answer
    x = 40,477.00

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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.