Home / 70,600.38-97,428.84-40,386.03

Finding the Fourth Proportional to 70,600.38, 97,428.84 and 40,386.03

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Solution

The fourth proportional to 70,600.38, 97,428.84 and 40,386.03 is: 55,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,600.38 : 97,428.84 = 40,386.03 : x
  2. Step 2: Convert to fraction form
    70,600.38/97,428.84 = 40,386.03/x
  3. Step 3: Cross multiply
    70,600.38x = 97,428.84 × 40,386.03
  4. Step 4: Simplify right side
    70,600.38x = 3,934,764,055.11
  5. Step 5: Solve for x
    x = 3,934,764,055.11/70,600.38
  6. Step 6: Final answer
    x = 55,732.90

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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.