Home / 89,938.06-134,972.90-43,223.74

Finding the Fourth Proportional to 89,938.06, 134,972.90 and 43,223.74

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Solution

The fourth proportional to 89,938.06, 134,972.90 and 43,223.74 is: 64,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,938.06 : 134,972.90 = 43,223.74 : x
  2. Step 2: Convert to fraction form
    89,938.06/134,972.90 = 43,223.74/x
  3. Step 3: Cross multiply
    89,938.06x = 134,972.90 × 43,223.74
  4. Step 4: Simplify right side
    89,938.06x = 5,834,033,536.65
  5. Step 5: Solve for x
    x = 5,834,033,536.65/89,938.06
  6. Step 6: Final answer
    x = 64,867.24

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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.