Home / 75,315.57-112,853.43-39,775.56

Finding the Fourth Proportional to 75,315.57, 112,853.43 and 39,775.56

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Solution

The fourth proportional to 75,315.57, 112,853.43 and 39,775.56 is: 59,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,315.57 : 112,853.43 = 39,775.56 : x
  2. Step 2: Convert to fraction form
    75,315.57/112,853.43 = 39,775.56/x
  3. Step 3: Cross multiply
    75,315.57x = 112,853.43 × 39,775.56
  4. Step 4: Simplify right side
    75,315.57x = 4,488,808,376.17
  5. Step 5: Solve for x
    x = 4,488,808,376.17/75,315.57
  6. Step 6: Final answer
    x = 59,600.01

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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.