Home / 101,548.05-140,141.48-56,231.04

Finding the Fourth Proportional to 101,548.05, 140,141.48 and 56,231.04

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Solution

The fourth proportional to 101,548.05, 140,141.48 and 56,231.04 is: 77,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,548.05 : 140,141.48 = 56,231.04 : x
  2. Step 2: Convert to fraction form
    101,548.05/140,141.48 = 56,231.04/x
  3. Step 3: Cross multiply
    101,548.05x = 140,141.48 × 56,231.04
  4. Step 4: Simplify right side
    101,548.05x = 7,880,301,167.54
  5. Step 5: Solve for x
    x = 7,880,301,167.54/101,548.05
  6. Step 6: Final answer
    x = 77,601.70

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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.