Home / 55,828.76-77,047.12-31,954.88

Finding the Fourth Proportional to 55,828.76, 77,047.12 and 31,954.88

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Solution

The fourth proportional to 55,828.76, 77,047.12 and 31,954.88 is: 44,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,828.76 : 77,047.12 = 31,954.88 : x
  2. Step 2: Convert to fraction form
    55,828.76/77,047.12 = 31,954.88/x
  3. Step 3: Cross multiply
    55,828.76x = 77,047.12 × 31,954.88
  4. Step 4: Simplify right side
    55,828.76x = 2,462,031,473.95
  5. Step 5: Solve for x
    x = 2,462,031,473.95/55,828.76
  6. Step 6: Final answer
    x = 44,099.70

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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.