Home / 92,431.20-127,570.74-52,156.38

Finding the Fourth Proportional to 92,431.20, 127,570.74 and 52,156.38

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Solution

The fourth proportional to 92,431.20, 127,570.74 and 52,156.38 is: 71,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,431.20 : 127,570.74 = 52,156.38 : x
  2. Step 2: Convert to fraction form
    92,431.20/127,570.74 = 52,156.38/x
  3. Step 3: Cross multiply
    92,431.20x = 127,570.74 × 52,156.38
  4. Step 4: Simplify right side
    92,431.20x = 6,653,627,992.32
  5. Step 5: Solve for x
    x = 6,653,627,992.32/92,431.20
  6. Step 6: Final answer
    x = 71,984.65

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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.