Home / 66,149.64-99,223.18-19,401.48

Finding the Fourth Proportional to 66,149.64, 99,223.18 and 19,401.48

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Solution

The fourth proportional to 66,149.64, 99,223.18 and 19,401.48 is: 29,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,149.64 : 99,223.18 = 19,401.48 : x
  2. Step 2: Convert to fraction form
    66,149.64/99,223.18 = 19,401.48/x
  3. Step 3: Cross multiply
    66,149.64x = 99,223.18 × 19,401.48
  4. Step 4: Simplify right side
    66,149.64x = 1,925,076,542.31
  5. Step 5: Solve for x
    x = 1,925,076,542.31/66,149.64
  6. Step 6: Final answer
    x = 29,101.84

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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.