Home / 80,854.04-121,237.32-27,530.12

Finding the Fourth Proportional to 80,854.04, 121,237.32 and 27,530.12

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Solution

The fourth proportional to 80,854.04, 121,237.32 and 27,530.12 is: 41,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,854.04 : 121,237.32 = 27,530.12 : x
  2. Step 2: Convert to fraction form
    80,854.04/121,237.32 = 27,530.12/x
  3. Step 3: Cross multiply
    80,854.04x = 121,237.32 × 27,530.12
  4. Step 4: Simplify right side
    80,854.04x = 3,337,677,968.08
  5. Step 5: Solve for x
    x = 3,337,677,968.08/80,854.04
  6. Step 6: Final answer
    x = 41,280.29

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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.