Home / 66,098.10-99,147.14-19,350.98

Finding the Fourth Proportional to 66,098.10, 99,147.14 and 19,350.98

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Solution

The fourth proportional to 66,098.10, 99,147.14 and 19,350.98 is: 29,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,098.10 : 99,147.14 = 19,350.98 : x
  2. Step 2: Convert to fraction form
    66,098.10/99,147.14 = 19,350.98/x
  3. Step 3: Cross multiply
    66,098.10x = 99,147.14 × 19,350.98
  4. Step 4: Simplify right side
    66,098.10x = 1,918,594,323.20
  5. Step 5: Solve for x
    x = 1,918,594,323.20/66,098.10
  6. Step 6: Final answer
    x = 29,026.47

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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.