Home / 75,531.51-113,223.38-31,195.62

Finding the Fourth Proportional to 75,531.51, 113,223.38 and 31,195.62

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Solution

The fourth proportional to 75,531.51, 113,223.38 and 31,195.62 is: 46,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,531.51 : 113,223.38 = 31,195.62 : x
  2. Step 2: Convert to fraction form
    75,531.51/113,223.38 = 31,195.62/x
  3. Step 3: Cross multiply
    75,531.51x = 113,223.38 × 31,195.62
  4. Step 4: Simplify right side
    75,531.51x = 3,532,073,381.62
  5. Step 5: Solve for x
    x = 3,532,073,381.62/75,531.51
  6. Step 6: Final answer
    x = 46,762.91

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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.