Home / 82,756.08-114,186.11-54,117.72

Finding the Fourth Proportional to 82,756.08, 114,186.11 and 54,117.72

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Solution

The fourth proportional to 82,756.08, 114,186.11 and 54,117.72 is: 74,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,756.08 : 114,186.11 = 54,117.72 : x
  2. Step 2: Convert to fraction form
    82,756.08/114,186.11 = 54,117.72/x
  3. Step 3: Cross multiply
    82,756.08x = 114,186.11 × 54,117.72
  4. Step 4: Simplify right side
    82,756.08x = 6,179,491,658.28
  5. Step 5: Solve for x
    x = 6,179,491,658.28/82,756.08
  6. Step 6: Final answer
    x = 74,671.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.