Home / 92,384.12-138,069.44-67,476.62

Finding the Fourth Proportional to 92,384.12, 138,069.44 and 67,476.62

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Solution

The fourth proportional to 92,384.12, 138,069.44 and 67,476.62 is: 100,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,384.12 : 138,069.44 = 67,476.62 : x
  2. Step 2: Convert to fraction form
    92,384.12/138,069.44 = 67,476.62/x
  3. Step 3: Cross multiply
    92,384.12x = 138,069.44 × 67,476.62
  4. Step 4: Simplify right side
    92,384.12x = 9,316,459,136.49
  5. Step 5: Solve for x
    x = 9,316,459,136.49/92,384.12
  6. Step 6: Final answer
    x = 100,844.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.