Home / 75,050.96-112,576.41-28,292.90

Finding the Fourth Proportional to 75,050.96, 112,576.41 and 28,292.90

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Solution

The fourth proportional to 75,050.96, 112,576.41 and 28,292.90 is: 42,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,050.96 : 112,576.41 = 28,292.90 : x
  2. Step 2: Convert to fraction form
    75,050.96/112,576.41 = 28,292.90/x
  3. Step 3: Cross multiply
    75,050.96x = 112,576.41 × 28,292.90
  4. Step 4: Simplify right side
    75,050.96x = 3,185,112,547.61
  5. Step 5: Solve for x
    x = 3,185,112,547.61/75,050.96
  6. Step 6: Final answer
    x = 42,439.33

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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.