Home / 64,352.76-88,333.26-57,121.08

Finding the Fourth Proportional to 64,352.76, 88,333.26 and 57,121.08

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Solution

The fourth proportional to 64,352.76, 88,333.26 and 57,121.08 is: 78,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,352.76 : 88,333.26 = 57,121.08 : x
  2. Step 2: Convert to fraction form
    64,352.76/88,333.26 = 57,121.08/x
  3. Step 3: Cross multiply
    64,352.76x = 88,333.26 × 57,121.08
  4. Step 4: Simplify right side
    64,352.76x = 5,045,691,211.12
  5. Step 5: Solve for x
    x = 5,045,691,211.12/64,352.76
  6. Step 6: Final answer
    x = 78,406.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.