Home / 92,581.02-138,878.73-30,257.82

Finding the Fourth Proportional to 92,581.02, 138,878.73 and 30,257.82

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Solution

The fourth proportional to 92,581.02, 138,878.73 and 30,257.82 is: 45,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,581.02 : 138,878.73 = 30,257.82 : x
  2. Step 2: Convert to fraction form
    92,581.02/138,878.73 = 30,257.82/x
  3. Step 3: Cross multiply
    92,581.02x = 138,878.73 × 30,257.82
  4. Step 4: Simplify right side
    92,581.02x = 4,202,167,614.17
  5. Step 5: Solve for x
    x = 4,202,167,614.17/92,581.02
  6. Step 6: Final answer
    x = 45,389.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.