Home / 66,193.47-91,343.30-37,900.98

Finding the Fourth Proportional to 66,193.47, 91,343.30 and 37,900.98

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Solution

The fourth proportional to 66,193.47, 91,343.30 and 37,900.98 is: 52,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,193.47 : 91,343.30 = 37,900.98 : x
  2. Step 2: Convert to fraction form
    66,193.47/91,343.30 = 37,900.98/x
  3. Step 3: Cross multiply
    66,193.47x = 91,343.30 × 37,900.98
  4. Step 4: Simplify right side
    66,193.47x = 3,462,000,396.93
  5. Step 5: Solve for x
    x = 3,462,000,396.93/66,193.47
  6. Step 6: Final answer
    x = 52,301.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.