Home / 94,519.86-130,443.21-52,078.38

Finding the Fourth Proportional to 94,519.86, 130,443.21 and 52,078.38

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Solution

The fourth proportional to 94,519.86, 130,443.21 and 52,078.38 is: 71,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,519.86 : 130,443.21 = 52,078.38 : x
  2. Step 2: Convert to fraction form
    94,519.86/130,443.21 = 52,078.38/x
  3. Step 3: Cross multiply
    94,519.86x = 130,443.21 × 52,078.38
  4. Step 4: Simplify right side
    94,519.86x = 6,793,271,058.80
  5. Step 5: Solve for x
    x = 6,793,271,058.80/94,519.86
  6. Step 6: Final answer
    x = 71,871.36

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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.