Home / 91,006.24-125,592.51-50,720.01

Finding the Fourth Proportional to 91,006.24, 125,592.51 and 50,720.01

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Solution

The fourth proportional to 91,006.24, 125,592.51 and 50,720.01 is: 69,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,006.24 : 125,592.51 = 50,720.01 : x
  2. Step 2: Convert to fraction form
    91,006.24/125,592.51 = 50,720.01/x
  3. Step 3: Cross multiply
    91,006.24x = 125,592.51 × 50,720.01
  4. Step 4: Simplify right side
    91,006.24x = 6,370,052,794.11
  5. Step 5: Solve for x
    x = 6,370,052,794.11/91,006.24
  6. Step 6: Final answer
    x = 69,995.78

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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.