Home / 76,436.49-114,658.71-23,127.10

Finding the Fourth Proportional to 76,436.49, 114,658.71 and 23,127.10

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Solution

The fourth proportional to 76,436.49, 114,658.71 and 23,127.10 is: 34,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,436.49 : 114,658.71 = 23,127.10 : x
  2. Step 2: Convert to fraction form
    76,436.49/114,658.71 = 23,127.10/x
  3. Step 3: Cross multiply
    76,436.49x = 114,658.71 × 23,127.10
  4. Step 4: Simplify right side
    76,436.49x = 2,651,723,452.04
  5. Step 5: Solve for x
    x = 2,651,723,452.04/76,436.49
  6. Step 6: Final answer
    x = 34,691.85

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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.