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Finding the Fourth Proportional to 88,872, 122,643.33 and 48,585.93

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Solution

The fourth proportional to 88,872, 122,643.33 and 48,585.93 is: 67,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,872 : 122,643.33 = 48,585.93 : x
  2. Step 2: Convert to fraction form
    88,872/122,643.33 = 48,585.93/x
  3. Step 3: Cross multiply
    88,872x = 122,643.33 × 48,585.93
  4. Step 4: Simplify right side
    88,872x = 5,958,740,246.35
  5. Step 5: Solve for x
    x = 5,958,740,246.35/88,872
  6. Step 6: Final answer
    x = 67,048.57

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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.