Home / 66,308.54-99,426.47-26,286.98

Finding the Fourth Proportional to 66,308.54, 99,426.47 and 26,286.98

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Solution

The fourth proportional to 66,308.54, 99,426.47 and 26,286.98 is: 39,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,308.54 : 99,426.47 = 26,286.98 : x
  2. Step 2: Convert to fraction form
    66,308.54/99,426.47 = 26,286.98/x
  3. Step 3: Cross multiply
    66,308.54x = 99,426.47 × 26,286.98
  4. Step 4: Simplify right side
    66,308.54x = 2,613,621,981.20
  5. Step 5: Solve for x
    x = 2,613,621,981.20/66,308.54
  6. Step 6: Final answer
    x = 39,416.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.