Home / 92,688.66-127,865.25-54,936.18

Finding the Fourth Proportional to 92,688.66, 127,865.25 and 54,936.18

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Solution

The fourth proportional to 92,688.66, 127,865.25 and 54,936.18 is: 75,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,688.66 : 127,865.25 = 54,936.18 : x
  2. Step 2: Convert to fraction form
    92,688.66/127,865.25 = 54,936.18/x
  3. Step 3: Cross multiply
    92,688.66x = 127,865.25 × 54,936.18
  4. Step 4: Simplify right side
    92,688.66x = 7,024,428,389.75
  5. Step 5: Solve for x
    x = 7,024,428,389.75/92,688.66
  6. Step 6: Final answer
    x = 75,785.20

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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.