Home / 91,392.84-126,136.38-55,594.08

Finding the Fourth Proportional to 91,392.84, 126,136.38 and 55,594.08

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Solution

The fourth proportional to 91,392.84, 126,136.38 and 55,594.08 is: 76,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,392.84 : 126,136.38 = 55,594.08 : x
  2. Step 2: Convert to fraction form
    91,392.84/126,136.38 = 55,594.08/x
  3. Step 3: Cross multiply
    91,392.84x = 126,136.38 × 55,594.08
  4. Step 4: Simplify right side
    91,392.84x = 7,012,436,000.63
  5. Step 5: Solve for x
    x = 7,012,436,000.63/91,392.84
  6. Step 6: Final answer
    x = 76,728.51

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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.