Home / 60,769.36-91,154-31,170.72

Finding the Fourth Proportional to 60,769.36, 91,154 and 31,170.72

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Solution

The fourth proportional to 60,769.36, 91,154 and 31,170.72 is: 46,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,769.36 : 91,154 = 31,170.72 : x
  2. Step 2: Convert to fraction form
    60,769.36/91,154 = 31,170.72/x
  3. Step 3: Cross multiply
    60,769.36x = 91,154 × 31,170.72
  4. Step 4: Simplify right side
    60,769.36x = 2,841,335,810.88
  5. Step 5: Solve for x
    x = 2,841,335,810.88/60,769.36
  6. Step 6: Final answer
    x = 46,756.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.