Home / 70,214.90-96,885.32-40,000.82

Finding the Fourth Proportional to 70,214.90, 96,885.32 and 40,000.82

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Solution

The fourth proportional to 70,214.90, 96,885.32 and 40,000.82 is: 55,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,214.90 : 96,885.32 = 40,000.82 : x
  2. Step 2: Convert to fraction form
    70,214.90/96,885.32 = 40,000.82/x
  3. Step 3: Cross multiply
    70,214.90x = 96,885.32 × 40,000.82
  4. Step 4: Simplify right side
    70,214.90x = 3,875,491,561.53
  5. Step 5: Solve for x
    x = 3,875,491,561.53/70,214.90
  6. Step 6: Final answer
    x = 55,194.72

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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.