Home / 75,017.12-112,529.80-22,430.70

Finding the Fourth Proportional to 75,017.12, 112,529.80 and 22,430.70

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Solution

The fourth proportional to 75,017.12, 112,529.80 and 22,430.70 is: 33,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,017.12 : 112,529.80 = 22,430.70 : x
  2. Step 2: Convert to fraction form
    75,017.12/112,529.80 = 22,430.70/x
  3. Step 3: Cross multiply
    75,017.12x = 112,529.80 × 22,430.70
  4. Step 4: Simplify right side
    75,017.12x = 2,524,122,184.86
  5. Step 5: Solve for x
    x = 2,524,122,184.86/75,017.12
  6. Step 6: Final answer
    x = 33,647.28

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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.