Home / 109,075.20-163,514.38-75,810.93

Finding the Fourth Proportional to 109,075.20, 163,514.38 and 75,810.93

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Solution

The fourth proportional to 109,075.20, 163,514.38 and 75,810.93 is: 113,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,075.20 : 163,514.38 = 75,810.93 : x
  2. Step 2: Convert to fraction form
    109,075.20/163,514.38 = 75,810.93/x
  3. Step 3: Cross multiply
    109,075.20x = 163,514.38 × 75,810.93
  4. Step 4: Simplify right side
    109,075.20x = 12,396,177,216.17
  5. Step 5: Solve for x
    x = 12,396,177,216.17/109,075.20
  6. Step 6: Final answer
    x = 113,647.99

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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.