Home / 82,271.64-123,324.36-32,386.74

Finding the Fourth Proportional to 82,271.64, 123,324.36 and 32,386.74

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Solution

The fourth proportional to 82,271.64, 123,324.36 and 32,386.74 is: 48,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,271.64 : 123,324.36 = 32,386.74 : x
  2. Step 2: Convert to fraction form
    82,271.64/123,324.36 = 32,386.74/x
  3. Step 3: Cross multiply
    82,271.64x = 123,324.36 × 32,386.74
  4. Step 4: Simplify right side
    82,271.64x = 3,994,073,535.70
  5. Step 5: Solve for x
    x = 3,994,073,535.70/82,271.64
  6. Step 6: Final answer
    x = 48,547.39

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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.