Home / 75,145.32-103,700.54-41,611.32

Finding the Fourth Proportional to 75,145.32, 103,700.54 and 41,611.32

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Solution

The fourth proportional to 75,145.32, 103,700.54 and 41,611.32 is: 57,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,145.32 : 103,700.54 = 41,611.32 : x
  2. Step 2: Convert to fraction form
    75,145.32/103,700.54 = 41,611.32/x
  3. Step 3: Cross multiply
    75,145.32x = 103,700.54 × 41,611.32
  4. Step 4: Simplify right side
    75,145.32x = 4,315,116,354.11
  5. Step 5: Solve for x
    x = 4,315,116,354.11/75,145.32
  6. Step 6: Final answer
    x = 57,423.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.