Home / 75,585.19-113,377.93-28,199.58

Finding the Fourth Proportional to 75,585.19, 113,377.93 and 28,199.58

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Solution

The fourth proportional to 75,585.19, 113,377.93 and 28,199.58 is: 42,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,585.19 : 113,377.93 = 28,199.58 : x
  2. Step 2: Convert to fraction form
    75,585.19/113,377.93 = 28,199.58/x
  3. Step 3: Cross multiply
    75,585.19x = 113,377.93 × 28,199.58
  4. Step 4: Simplify right side
    75,585.19x = 3,197,209,936.77
  5. Step 5: Solve for x
    x = 3,197,209,936.77/75,585.19
  6. Step 6: Final answer
    x = 42,299.42

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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.