Home / 60,715.19-90,462.35-57,319.88

Finding the Fourth Proportional to 60,715.19, 90,462.35 and 57,319.88

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Solution

The fourth proportional to 60,715.19, 90,462.35 and 57,319.88 is: 85,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,715.19 : 90,462.35 = 57,319.88 : x
  2. Step 2: Convert to fraction form
    60,715.19/90,462.35 = 57,319.88/x
  3. Step 3: Cross multiply
    60,715.19x = 90,462.35 × 57,319.88
  4. Step 4: Simplify right side
    60,715.19x = 5,185,290,415.08
  5. Step 5: Solve for x
    x = 5,185,290,415.08/60,715.19
  6. Step 6: Final answer
    x = 85,403.51

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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.