Home / 66,533.28-99,837.18-35,367.72

Finding the Fourth Proportional to 66,533.28, 99,837.18 and 35,367.72

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Solution

The fourth proportional to 66,533.28, 99,837.18 and 35,367.72 is: 53,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,533.28 : 99,837.18 = 35,367.72 : x
  2. Step 2: Convert to fraction form
    66,533.28/99,837.18 = 35,367.72/x
  3. Step 3: Cross multiply
    66,533.28x = 99,837.18 × 35,367.72
  4. Step 4: Simplify right side
    66,533.28x = 3,531,013,427.83
  5. Step 5: Solve for x
    x = 3,531,013,427.83/66,533.28
  6. Step 6: Final answer
    x = 53,071.39

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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.