Home / 66,143.04-99,214.83-16,223.46

Finding the Fourth Proportional to 66,143.04, 99,214.83 and 16,223.46

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Solution

The fourth proportional to 66,143.04, 99,214.83 and 16,223.46 is: 24,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,143.04 : 99,214.83 = 16,223.46 : x
  2. Step 2: Convert to fraction form
    66,143.04/99,214.83 = 16,223.46/x
  3. Step 3: Cross multiply
    66,143.04x = 99,214.83 × 16,223.46
  4. Step 4: Simplify right side
    66,143.04x = 1,609,607,825.91
  5. Step 5: Solve for x
    x = 1,609,607,825.91/66,143.04
  6. Step 6: Final answer
    x = 24,335.26

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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.