Home / 75,017.89-112,510.09-22,420.54

Finding the Fourth Proportional to 75,017.89, 112,510.09 and 22,420.54

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Solution

The fourth proportional to 75,017.89, 112,510.09 and 22,420.54 is: 33,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,017.89 : 112,510.09 = 22,420.54 : x
  2. Step 2: Convert to fraction form
    75,017.89/112,510.09 = 22,420.54/x
  3. Step 3: Cross multiply
    75,017.89x = 112,510.09 × 22,420.54
  4. Step 4: Simplify right side
    75,017.89x = 2,522,536,973.25
  5. Step 5: Solve for x
    x = 2,522,536,973.25/75,017.89
  6. Step 6: Final answer
    x = 33,625.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.