Home / 88,424.10-122,021.28-48,136.83

Finding the Fourth Proportional to 88,424.10, 122,021.28 and 48,136.83

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Solution

The fourth proportional to 88,424.10, 122,021.28 and 48,136.83 is: 66,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,424.10 : 122,021.28 = 48,136.83 : x
  2. Step 2: Convert to fraction form
    88,424.10/122,021.28 = 48,136.83/x
  3. Step 3: Cross multiply
    88,424.10x = 122,021.28 × 48,136.83
  4. Step 4: Simplify right side
    88,424.10x = 5,873,717,611.74
  5. Step 5: Solve for x
    x = 5,873,717,611.74/88,424.10
  6. Step 6: Final answer
    x = 66,426.66

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1.5x scale

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.