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Finding the Fourth Proportional to 95,622.89, 143,434.13 and 45,551.12

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Solution

The fourth proportional to 95,622.89, 143,434.13 and 45,551.12 is: 68,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,622.89 : 143,434.13 = 45,551.12 : x
  2. Step 2: Convert to fraction form
    95,622.89/143,434.13 = 45,551.12/x
  3. Step 3: Cross multiply
    95,622.89x = 143,434.13 × 45,551.12
  4. Step 4: Simplify right side
    95,622.89x = 6,533,584,322.80
  5. Step 5: Solve for x
    x = 6,533,584,322.80/95,622.89
  6. Step 6: Final answer
    x = 68,326.58

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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.