Home / 75,220.06-103,776.20-45,006.24

Finding the Fourth Proportional to 75,220.06, 103,776.20 and 45,006.24

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Solution

The fourth proportional to 75,220.06, 103,776.20 and 45,006.24 is: 62,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,220.06 : 103,776.20 = 45,006.24 : x
  2. Step 2: Convert to fraction form
    75,220.06/103,776.20 = 45,006.24/x
  3. Step 3: Cross multiply
    75,220.06x = 103,776.20 × 45,006.24
  4. Step 4: Simplify right side
    75,220.06x = 4,670,576,563.49
  5. Step 5: Solve for x
    x = 4,670,576,563.49/75,220.06
  6. Step 6: Final answer
    x = 62,092.17

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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.