Home / 63,105.09-87,082.14-34,424.07

Finding the Fourth Proportional to 63,105.09, 87,082.14 and 34,424.07

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Solution

The fourth proportional to 63,105.09, 87,082.14 and 34,424.07 is: 47,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,105.09 : 87,082.14 = 34,424.07 : x
  2. Step 2: Convert to fraction form
    63,105.09/87,082.14 = 34,424.07/x
  3. Step 3: Cross multiply
    63,105.09x = 87,082.14 × 34,424.07
  4. Step 4: Simplify right side
    63,105.09x = 2,997,721,683.11
  5. Step 5: Solve for x
    x = 2,997,721,683.11/63,105.09
  6. Step 6: Final answer
    x = 47,503.64

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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.