Home / 75,643.10-113,464.65-34,171.10

Finding the Fourth Proportional to 75,643.10, 113,464.65 and 34,171.10

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Solution

The fourth proportional to 75,643.10, 113,464.65 and 34,171.10 is: 51,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,643.10 : 113,464.65 = 34,171.10 : x
  2. Step 2: Convert to fraction form
    75,643.10/113,464.65 = 34,171.10/x
  3. Step 3: Cross multiply
    75,643.10x = 113,464.65 × 34,171.10
  4. Step 4: Simplify right side
    75,643.10x = 3,877,211,901.62
  5. Step 5: Solve for x
    x = 3,877,211,901.62/75,643.10
  6. Step 6: Final answer
    x = 51,256.65

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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.