Home / 92,065.12-127,048.80-51,778.72

Finding the Fourth Proportional to 92,065.12, 127,048.80 and 51,778.72

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Solution

The fourth proportional to 92,065.12, 127,048.80 and 51,778.72 is: 71,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,065.12 : 127,048.80 = 51,778.72 : x
  2. Step 2: Convert to fraction form
    92,065.12/127,048.80 = 51,778.72/x
  3. Step 3: Cross multiply
    92,065.12x = 127,048.80 × 51,778.72
  4. Step 4: Simplify right side
    92,065.12x = 6,578,424,241.54
  5. Step 5: Solve for x
    x = 6,578,424,241.54/92,065.12
  6. Step 6: Final answer
    x = 71,454.03

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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.