Home / 45,900.90-68,761.59-31,667.18

Finding the Fourth Proportional to 45,900.90, 68,761.59 and 31,667.18

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Solution

The fourth proportional to 45,900.90, 68,761.59 and 31,667.18 is: 47,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,900.90 : 68,761.59 = 31,667.18 : x
  2. Step 2: Convert to fraction form
    45,900.90/68,761.59 = 31,667.18/x
  3. Step 3: Cross multiply
    45,900.90x = 68,761.59 × 31,667.18
  4. Step 4: Simplify right side
    45,900.90x = 2,177,485,303.81
  5. Step 5: Solve for x
    x = 2,177,485,303.81/45,900.90
  6. Step 6: Final answer
    x = 47,438.84

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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.