Home / 66,956.81-92,400.39-38,277.09

Finding the Fourth Proportional to 66,956.81, 92,400.39 and 38,277.09

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Solution

The fourth proportional to 66,956.81, 92,400.39 and 38,277.09 is: 52,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,956.81 : 92,400.39 = 38,277.09 : x
  2. Step 2: Convert to fraction form
    66,956.81/92,400.39 = 38,277.09/x
  3. Step 3: Cross multiply
    66,956.81x = 92,400.39 × 38,277.09
  4. Step 4: Simplify right side
    66,956.81x = 3,536,818,044.07
  5. Step 5: Solve for x
    x = 3,536,818,044.07/66,956.81
  6. Step 6: Final answer
    x = 52,822.38

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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.