Home / 94,113.18-129,876.39-51,674.40

Finding the Fourth Proportional to 94,113.18, 129,876.39 and 51,674.40

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Solution

The fourth proportional to 94,113.18, 129,876.39 and 51,674.40 is: 71,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,113.18 : 129,876.39 = 51,674.40 : x
  2. Step 2: Convert to fraction form
    94,113.18/129,876.39 = 51,674.40/x
  3. Step 3: Cross multiply
    94,113.18x = 129,876.39 × 51,674.40
  4. Step 4: Simplify right side
    94,113.18x = 6,711,284,527.42
  5. Step 5: Solve for x
    x = 6,711,284,527.42/94,113.18
  6. Step 6: Final answer
    x = 71,310.78

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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.