Home / 66,064.35-99,102.60-18,679.35

Finding the Fourth Proportional to 66,064.35, 99,102.60 and 18,679.35

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Solution

The fourth proportional to 66,064.35, 99,102.60 and 18,679.35 is: 28,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,064.35 : 99,102.60 = 18,679.35 : x
  2. Step 2: Convert to fraction form
    66,064.35/99,102.60 = 18,679.35/x
  3. Step 3: Cross multiply
    66,064.35x = 99,102.60 × 18,679.35
  4. Step 4: Simplify right side
    66,064.35x = 1,851,172,151.31
  5. Step 5: Solve for x
    x = 1,851,172,151.31/66,064.35
  6. Step 6: Final answer
    x = 28,020.74

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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.