Home / 124,011.26-171,136.74-67,423.84

Finding the Fourth Proportional to 124,011.26, 171,136.74 and 67,423.84

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Solution

The fourth proportional to 124,011.26, 171,136.74 and 67,423.84 is: 93,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,011.26 : 171,136.74 = 67,423.84 : x
  2. Step 2: Convert to fraction form
    124,011.26/171,136.74 = 67,423.84/x
  3. Step 3: Cross multiply
    124,011.26x = 171,136.74 × 67,423.84
  4. Step 4: Simplify right side
    124,011.26x = 11,538,696,175.88
  5. Step 5: Solve for x
    x = 11,538,696,175.88/124,011.26
  6. Step 6: Final answer
    x = 93,045.55

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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.