Home / 54,165.67-74,718.60-31,502.20

Finding the Fourth Proportional to 54,165.67, 74,718.60 and 31,502.20

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Solution

The fourth proportional to 54,165.67, 74,718.60 and 31,502.20 is: 43,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,165.67 : 74,718.60 = 31,502.20 : x
  2. Step 2: Convert to fraction form
    54,165.67/74,718.60 = 31,502.20/x
  3. Step 3: Cross multiply
    54,165.67x = 74,718.60 × 31,502.20
  4. Step 4: Simplify right side
    54,165.67x = 2,353,800,280.92
  5. Step 5: Solve for x
    x = 2,353,800,280.92/54,165.67
  6. Step 6: Final answer
    x = 43,455.57

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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.