Home / 37,170.15-55,754.75-9,090.45

Finding the Fourth Proportional to 37,170.15, 55,754.75 and 9,090.45

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Solution

The fourth proportional to 37,170.15, 55,754.75 and 9,090.45 is: 13,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.15 : 55,754.75 = 9,090.45 : x
  2. Step 2: Convert to fraction form
    37,170.15/55,754.75 = 9,090.45/x
  3. Step 3: Cross multiply
    37,170.15x = 55,754.75 × 9,090.45
  4. Step 4: Simplify right side
    37,170.15x = 506,835,848.95
  5. Step 5: Solve for x
    x = 506,835,848.95/37,170.15
  6. Step 6: Final answer
    x = 13,635.56

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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.