Home / 89,823.84-134,720.40-26,642.52

Finding the Fourth Proportional to 89,823.84, 134,720.40 and 26,642.52

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Solution

The fourth proportional to 89,823.84, 134,720.40 and 26,642.52 is: 39,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,823.84 : 134,720.40 = 26,642.52 : x
  2. Step 2: Convert to fraction form
    89,823.84/134,720.40 = 26,642.52/x
  3. Step 3: Cross multiply
    89,823.84x = 134,720.40 × 26,642.52
  4. Step 4: Simplify right side
    89,823.84x = 3,589,290,951.41
  5. Step 5: Solve for x
    x = 3,589,290,951.41/89,823.84
  6. Step 6: Final answer
    x = 39,959.22

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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.