Home / 94,542.72-130,483.36-71,844.72

Finding the Fourth Proportional to 94,542.72, 130,483.36 and 71,844.72

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Solution

The fourth proportional to 94,542.72, 130,483.36 and 71,844.72 is: 99,156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,542.72 : 130,483.36 = 71,844.72 : x
  2. Step 2: Convert to fraction form
    94,542.72/130,483.36 = 71,844.72/x
  3. Step 3: Cross multiply
    94,542.72x = 130,483.36 × 71,844.72
  4. Step 4: Simplify right side
    94,542.72x = 9,374,540,463.86
  5. Step 5: Solve for x
    x = 9,374,540,463.86/94,542.72
  6. Step 6: Final answer
    x = 99,156.66

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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.