Home / 92,054.28-127,039.50-51,780.72

Finding the Fourth Proportional to 92,054.28, 127,039.50 and 51,780.72

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Solution

The fourth proportional to 92,054.28, 127,039.50 and 51,780.72 is: 71,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,054.28 : 127,039.50 = 51,780.72 : x
  2. Step 2: Convert to fraction form
    92,054.28/127,039.50 = 51,780.72/x
  3. Step 3: Cross multiply
    92,054.28x = 127,039.50 × 51,780.72
  4. Step 4: Simplify right side
    92,054.28x = 6,578,196,778.44
  5. Step 5: Solve for x
    x = 6,578,196,778.44/92,054.28
  6. Step 6: Final answer
    x = 71,459.98

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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.