Home / 92,712.12-127,945.25-52,431.91

Finding the Fourth Proportional to 92,712.12, 127,945.25 and 52,431.91

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Solution

The fourth proportional to 92,712.12, 127,945.25 and 52,431.91 is: 72,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,712.12 : 127,945.25 = 52,431.91 : x
  2. Step 2: Convert to fraction form
    92,712.12/127,945.25 = 52,431.91/x
  3. Step 3: Cross multiply
    92,712.12x = 127,945.25 × 52,431.91
  4. Step 4: Simplify right side
    92,712.12x = 6,708,413,410.84
  5. Step 5: Solve for x
    x = 6,708,413,410.84/92,712.12
  6. Step 6: Final answer
    x = 72,357.46

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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.