Home / 66,099.81-99,139.44-21,726.26

Finding the Fourth Proportional to 66,099.81, 99,139.44 and 21,726.26

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Solution

The fourth proportional to 66,099.81, 99,139.44 and 21,726.26 is: 32,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,099.81 : 99,139.44 = 21,726.26 : x
  2. Step 2: Convert to fraction form
    66,099.81/99,139.44 = 21,726.26/x
  3. Step 3: Cross multiply
    66,099.81x = 99,139.44 × 21,726.26
  4. Step 4: Simplify right side
    66,099.81x = 2,153,929,207.24
  5. Step 5: Solve for x
    x = 2,153,929,207.24/66,099.81
  6. Step 6: Final answer
    x = 32,586.01

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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.