Home / 67,784.21-93,540.30-40,916.91

Finding the Fourth Proportional to 67,784.21, 93,540.30 and 40,916.91

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Solution

The fourth proportional to 67,784.21, 93,540.30 and 40,916.91 is: 56,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,784.21 : 93,540.30 = 40,916.91 : x
  2. Step 2: Convert to fraction form
    67,784.21/93,540.30 = 40,916.91/x
  3. Step 3: Cross multiply
    67,784.21x = 93,540.30 × 40,916.91
  4. Step 4: Simplify right side
    67,784.21x = 3,827,380,036.47
  5. Step 5: Solve for x
    x = 3,827,380,036.47/67,784.21
  6. Step 6: Final answer
    x = 56,464.19

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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.