Home / 65,158.46-89,928.36-41,287.36

Finding the Fourth Proportional to 65,158.46, 89,928.36 and 41,287.36

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Solution

The fourth proportional to 65,158.46, 89,928.36 and 41,287.36 is: 56,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,158.46 : 89,928.36 = 41,287.36 : x
  2. Step 2: Convert to fraction form
    65,158.46/89,928.36 = 41,287.36/x
  3. Step 3: Cross multiply
    65,158.46x = 89,928.36 × 41,287.36
  4. Step 4: Simplify right side
    65,158.46x = 3,712,904,573.53
  5. Step 5: Solve for x
    x = 3,712,904,573.53/65,158.46
  6. Step 6: Final answer
    x = 56,982.69

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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.