Home / 91,625.14-126,504.30-57,222.28

Finding the Fourth Proportional to 91,625.14, 126,504.30 and 57,222.28

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Solution

The fourth proportional to 91,625.14, 126,504.30 and 57,222.28 is: 79,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,625.14 : 126,504.30 = 57,222.28 : x
  2. Step 2: Convert to fraction form
    91,625.14/126,504.30 = 57,222.28/x
  3. Step 3: Cross multiply
    91,625.14x = 126,504.30 × 57,222.28
  4. Step 4: Simplify right side
    91,625.14x = 7,238,864,475.80
  5. Step 5: Solve for x
    x = 7,238,864,475.80/91,625.14
  6. Step 6: Final answer
    x = 79,005.22

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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.