Home / 77,634.39-116,368.52-40,156.73

Finding the Fourth Proportional to 77,634.39, 116,368.52 and 40,156.73

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Solution

The fourth proportional to 77,634.39, 116,368.52 and 40,156.73 is: 60,192.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,634.39 : 116,368.52 = 40,156.73 : x
  2. Step 2: Convert to fraction form
    77,634.39/116,368.52 = 40,156.73/x
  3. Step 3: Cross multiply
    77,634.39x = 116,368.52 × 40,156.73
  4. Step 4: Simplify right side
    77,634.39x = 4,672,979,238.14
  5. Step 5: Solve for x
    x = 4,672,979,238.14/77,634.39
  6. Step 6: Final answer
    x = 60,192.13

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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.