Home / 67,778.19-93,536.28-40,915.44

Finding the Fourth Proportional to 67,778.19, 93,536.28 and 40,915.44

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Solution

The fourth proportional to 67,778.19, 93,536.28 and 40,915.44 is: 56,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,778.19 : 93,536.28 = 40,915.44 : x
  2. Step 2: Convert to fraction form
    67,778.19/93,536.28 = 40,915.44/x
  3. Step 3: Cross multiply
    67,778.19x = 93,536.28 × 40,915.44
  4. Step 4: Simplify right side
    67,778.19x = 3,827,078,052.16
  5. Step 5: Solve for x
    x = 3,827,078,052.16/67,778.19
  6. Step 6: Final answer
    x = 56,464.74

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1.5x scale

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.