Home / 92,239.61-138,345.64-25,672.79

Finding the Fourth Proportional to 92,239.61, 138,345.64 and 25,672.79

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Solution

The fourth proportional to 92,239.61, 138,345.64 and 25,672.79 is: 38,505.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,239.61 : 138,345.64 = 25,672.79 : x
  2. Step 2: Convert to fraction form
    92,239.61/138,345.64 = 25,672.79/x
  3. Step 3: Cross multiply
    92,239.61x = 138,345.64 × 25,672.79
  4. Step 4: Simplify right side
    92,239.61x = 3,551,718,844.82
  5. Step 5: Solve for x
    x = 3,551,718,844.82/92,239.61
  6. Step 6: Final answer
    x = 38,505.36

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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.