Home / 92,642.16-127,778.67-58,656.18

Finding the Fourth Proportional to 92,642.16, 127,778.67 and 58,656.18

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Solution

The fourth proportional to 92,642.16, 127,778.67 and 58,656.18 is: 80,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,642.16 : 127,778.67 = 58,656.18 : x
  2. Step 2: Convert to fraction form
    92,642.16/127,778.67 = 58,656.18/x
  3. Step 3: Cross multiply
    92,642.16x = 127,778.67 × 58,656.18
  4. Step 4: Simplify right side
    92,642.16x = 7,495,008,667.68
  5. Step 5: Solve for x
    x = 7,495,008,667.68/92,642.16
  6. Step 6: Final answer
    x = 80,902.78

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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.