Home / 75,075.05-112,640.73-39,028.94

Finding the Fourth Proportional to 75,075.05, 112,640.73 and 39,028.94

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Solution

The fourth proportional to 75,075.05, 112,640.73 and 39,028.94 is: 58,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,075.05 : 112,640.73 = 39,028.94 : x
  2. Step 2: Convert to fraction form
    75,075.05/112,640.73 = 39,028.94/x
  3. Step 3: Cross multiply
    75,075.05x = 112,640.73 × 39,028.94
  4. Step 4: Simplify right side
    75,075.05x = 4,396,248,005.57
  5. Step 5: Solve for x
    x = 4,396,248,005.57/75,075.05
  6. Step 6: Final answer
    x = 58,558.04

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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.