Home / 94,041.04-129,756.36-54,274

Finding the Fourth Proportional to 94,041.04, 129,756.36 and 54,274

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Solution

The fourth proportional to 94,041.04, 129,756.36 and 54,274 is: 74,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,041.04 : 129,756.36 = 54,274 : x
  2. Step 2: Convert to fraction form
    94,041.04/129,756.36 = 54,274/x
  3. Step 3: Cross multiply
    94,041.04x = 129,756.36 × 54,274
  4. Step 4: Simplify right side
    94,041.04x = 7,042,396,682.64
  5. Step 5: Solve for x
    x = 7,042,396,682.64/94,041.04
  6. Step 6: Final answer
    x = 74,886.42

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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.