Home / 57,319.08-85,559.38-53,097.72

Finding the Fourth Proportional to 57,319.08, 85,559.38 and 53,097.72

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Solution

The fourth proportional to 57,319.08, 85,559.38 and 53,097.72 is: 79,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,319.08 : 85,559.38 = 53,097.72 : x
  2. Step 2: Convert to fraction form
    57,319.08/85,559.38 = 53,097.72/x
  3. Step 3: Cross multiply
    57,319.08x = 85,559.38 × 53,097.72
  4. Step 4: Simplify right side
    57,319.08x = 4,543,008,002.61
  5. Step 5: Solve for x
    x = 4,543,008,002.61/57,319.08
  6. Step 6: Final answer
    x = 79,258.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.