Home / 97,895.71-135,098.85-55,454.23

Finding the Fourth Proportional to 97,895.71, 135,098.85 and 55,454.23

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Solution

The fourth proportional to 97,895.71, 135,098.85 and 55,454.23 is: 76,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,895.71 : 135,098.85 = 55,454.23 : x
  2. Step 2: Convert to fraction form
    97,895.71/135,098.85 = 55,454.23/x
  3. Step 3: Cross multiply
    97,895.71x = 135,098.85 × 55,454.23
  4. Step 4: Simplify right side
    97,895.71x = 7,491,802,700.64
  5. Step 5: Solve for x
    x = 7,491,802,700.64/97,895.71
  6. Step 6: Final answer
    x = 76,528.41

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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.