Home / 90,457.47-124,845.66-54,652.62

Finding the Fourth Proportional to 90,457.47, 124,845.66 and 54,652.62

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Solution

The fourth proportional to 90,457.47, 124,845.66 and 54,652.62 is: 75,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,457.47 : 124,845.66 = 54,652.62 : x
  2. Step 2: Convert to fraction form
    90,457.47/124,845.66 = 54,652.62/x
  3. Step 3: Cross multiply
    90,457.47x = 124,845.66 × 54,652.62
  4. Step 4: Simplify right side
    90,457.47x = 6,823,142,414.63
  5. Step 5: Solve for x
    x = 6,823,142,414.63/90,457.47
  6. Step 6: Final answer
    x = 75,429.29

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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.