Home / 66,422.02-99,522.30-54,612.22

Finding the Fourth Proportional to 66,422.02, 99,522.30 and 54,612.22

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Solution

The fourth proportional to 66,422.02, 99,522.30 and 54,612.22 is: 81,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,422.02 : 99,522.30 = 54,612.22 : x
  2. Step 2: Convert to fraction form
    66,422.02/99,522.30 = 54,612.22/x
  3. Step 3: Cross multiply
    66,422.02x = 99,522.30 × 54,612.22
  4. Step 4: Simplify right side
    66,422.02x = 5,435,133,742.51
  5. Step 5: Solve for x
    x = 5,435,133,742.51/66,422.02
  6. Step 6: Final answer
    x = 81,827.29

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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.