Home / 80,075.07-120,089.52-23,912.91

Finding the Fourth Proportional to 80,075.07, 120,089.52 and 23,912.91

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Solution

The fourth proportional to 80,075.07, 120,089.52 and 23,912.91 is: 35,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,075.07 : 120,089.52 = 23,912.91 : x
  2. Step 2: Convert to fraction form
    80,075.07/120,089.52 = 23,912.91/x
  3. Step 3: Cross multiply
    80,075.07x = 120,089.52 × 23,912.91
  4. Step 4: Simplify right side
    80,075.07x = 2,871,689,883.70
  5. Step 5: Solve for x
    x = 2,871,689,883.70/80,075.07
  6. Step 6: Final answer
    x = 35,862.47

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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.