Home / 75,075.98-112,614.70-30,672.38

Finding the Fourth Proportional to 75,075.98, 112,614.70 and 30,672.38

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Solution

The fourth proportional to 75,075.98, 112,614.70 and 30,672.38 is: 46,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,075.98 : 112,614.70 = 30,672.38 : x
  2. Step 2: Convert to fraction form
    75,075.98/112,614.70 = 30,672.38/x
  3. Step 3: Cross multiply
    75,075.98x = 112,614.70 × 30,672.38
  4. Step 4: Simplify right side
    75,075.98x = 3,454,160,871.99
  5. Step 5: Solve for x
    x = 3,454,160,871.99/75,075.98
  6. Step 6: Final answer
    x = 46,008.87

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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.