Home / 88,872.40-122,643.60-48,586.12

Finding the Fourth Proportional to 88,872.40, 122,643.60 and 48,586.12

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Solution

The fourth proportional to 88,872.40, 122,643.60 and 48,586.12 is: 67,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,872.40 : 122,643.60 = 48,586.12 : x
  2. Step 2: Convert to fraction form
    88,872.40/122,643.60 = 48,586.12/x
  3. Step 3: Cross multiply
    88,872.40x = 122,643.60 × 48,586.12
  4. Step 4: Simplify right side
    88,872.40x = 5,958,776,666.83
  5. Step 5: Solve for x
    x = 5,958,776,666.83/88,872.40
  6. Step 6: Final answer
    x = 67,048.68

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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.