Home / 90,936.01-125,448.23-70,654.09

Finding the Fourth Proportional to 90,936.01, 125,448.23 and 70,654.09

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Solution

The fourth proportional to 90,936.01, 125,448.23 and 70,654.09 is: 97,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,936.01 : 125,448.23 = 70,654.09 : x
  2. Step 2: Convert to fraction form
    90,936.01/125,448.23 = 70,654.09/x
  3. Step 3: Cross multiply
    90,936.01x = 125,448.23 × 70,654.09
  4. Step 4: Simplify right side
    90,936.01x = 8,863,430,532.76
  5. Step 5: Solve for x
    x = 8,863,430,532.76/90,936.01
  6. Step 6: Final answer
    x = 97,468.87

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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.