Home / 69,673.93-96,135.91-42,431.75

Finding the Fourth Proportional to 69,673.93, 96,135.91 and 42,431.75

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Solution

The fourth proportional to 69,673.93, 96,135.91 and 42,431.75 is: 58,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,673.93 : 96,135.91 = 42,431.75 : x
  2. Step 2: Convert to fraction form
    69,673.93/96,135.91 = 42,431.75/x
  3. Step 3: Cross multiply
    69,673.93x = 96,135.91 × 42,431.75
  4. Step 4: Simplify right side
    69,673.93x = 4,079,214,686.98
  5. Step 5: Solve for x
    x = 4,079,214,686.98/69,673.93
  6. Step 6: Final answer
    x = 58,547.22

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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.