Home / 75,286.41-103,840.81-63,937.93

Finding the Fourth Proportional to 75,286.41, 103,840.81 and 63,937.93

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Solution

The fourth proportional to 75,286.41, 103,840.81 and 63,937.93 is: 88,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,286.41 : 103,840.81 = 63,937.93 : x
  2. Step 2: Convert to fraction form
    75,286.41/103,840.81 = 63,937.93/x
  3. Step 3: Cross multiply
    75,286.41x = 103,840.81 × 63,937.93
  4. Step 4: Simplify right side
    75,286.41x = 6,639,366,688.06
  5. Step 5: Solve for x
    x = 6,639,366,688.06/75,286.41
  6. Step 6: Final answer
    x = 88,188.11

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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.