Home / 64,912.11-97,428.30-40,000.83

Finding the Fourth Proportional to 64,912.11, 97,428.30 and 40,000.83

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Solution

The fourth proportional to 64,912.11, 97,428.30 and 40,000.83 is: 60,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,912.11 : 97,428.30 = 40,000.83 : x
  2. Step 2: Convert to fraction form
    64,912.11/97,428.30 = 40,000.83/x
  3. Step 3: Cross multiply
    64,912.11x = 97,428.30 × 40,000.83
  4. Step 4: Simplify right side
    64,912.11x = 3,897,212,865.49
  5. Step 5: Solve for x
    x = 3,897,212,865.49/64,912.11
  6. Step 6: Final answer
    x = 60,038.30

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1.5x scale

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.