Home / 94,113.12-129,876.36-51,674.40

Finding the Fourth Proportional to 94,113.12, 129,876.36 and 51,674.40

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Solution

The fourth proportional to 94,113.12, 129,876.36 and 51,674.40 is: 71,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,113.12 : 129,876.36 = 51,674.40 : x
  2. Step 2: Convert to fraction form
    94,113.12/129,876.36 = 51,674.40/x
  3. Step 3: Cross multiply
    94,113.12x = 129,876.36 × 51,674.40
  4. Step 4: Simplify right side
    94,113.12x = 6,711,282,977.18
  5. Step 5: Solve for x
    x = 6,711,282,977.18/94,113.12
  6. Step 6: Final answer
    x = 71,310.81

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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.