Home / 63,835.81-87,903.21-62,419.66

Finding the Fourth Proportional to 63,835.81, 87,903.21 and 62,419.66

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Solution

The fourth proportional to 63,835.81, 87,903.21 and 62,419.66 is: 85,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,835.81 : 87,903.21 = 62,419.66 : x
  2. Step 2: Convert to fraction form
    63,835.81/87,903.21 = 62,419.66/x
  3. Step 3: Cross multiply
    63,835.81x = 87,903.21 × 62,419.66
  4. Step 4: Simplify right side
    63,835.81x = 5,486,888,481.11
  5. Step 5: Solve for x
    x = 5,486,888,481.11/63,835.81
  6. Step 6: Final answer
    x = 85,953.14

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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.