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Finding the Fourth Proportional to 66,099.59, 99,247.79 and 26,733.59

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Solution

The fourth proportional to 66,099.59, 99,247.79 and 26,733.59 is: 40,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,099.59 : 99,247.79 = 26,733.59 : x
  2. Step 2: Convert to fraction form
    66,099.59/99,247.79 = 26,733.59/x
  3. Step 3: Cross multiply
    66,099.59x = 99,247.79 × 26,733.59
  4. Step 4: Simplify right side
    66,099.59x = 2,653,249,726.27
  5. Step 5: Solve for x
    x = 2,653,249,726.27/66,099.59
  6. Step 6: Final answer
    x = 40,140.18

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1.5x scale

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.