Home / 80,740.81-121,117.38-24,585.72

Finding the Fourth Proportional to 80,740.81, 121,117.38 and 24,585.72

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Solution

The fourth proportional to 80,740.81, 121,117.38 and 24,585.72 is: 36,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,740.81 : 121,117.38 = 24,585.72 : x
  2. Step 2: Convert to fraction form
    80,740.81/121,117.38 = 24,585.72/x
  3. Step 3: Cross multiply
    80,740.81x = 121,117.38 × 24,585.72
  4. Step 4: Simplify right side
    80,740.81x = 2,977,757,991.81
  5. Step 5: Solve for x
    x = 2,977,757,991.81/80,740.81
  6. Step 6: Final answer
    x = 36,880.46

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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.