Home / 94,142.45-129,919.24-51,703.72

Finding the Fourth Proportional to 94,142.45, 129,919.24 and 51,703.72

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Solution

The fourth proportional to 94,142.45, 129,919.24 and 51,703.72 is: 71,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,142.45 : 129,919.24 = 51,703.72 : x
  2. Step 2: Convert to fraction form
    94,142.45/129,919.24 = 51,703.72/x
  3. Step 3: Cross multiply
    94,142.45x = 129,919.24 × 51,703.72
  4. Step 4: Simplify right side
    94,142.45x = 6,717,307,747.40
  5. Step 5: Solve for x
    x = 6,717,307,747.40/94,142.45
  6. Step 6: Final answer
    x = 71,352.59

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1.5x scale

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.