Home / 75,133.58-112,521.46-43,476.92

Finding the Fourth Proportional to 75,133.58, 112,521.46 and 43,476.92

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Solution

The fourth proportional to 75,133.58, 112,521.46 and 43,476.92 is: 65,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,133.58 : 112,521.46 = 43,476.92 : x
  2. Step 2: Convert to fraction form
    75,133.58/112,521.46 = 43,476.92/x
  3. Step 3: Cross multiply
    75,133.58x = 112,521.46 × 43,476.92
  4. Step 4: Simplify right side
    75,133.58x = 4,892,086,428.40
  5. Step 5: Solve for x
    x = 4,892,086,428.40/75,133.58
  6. Step 6: Final answer
    x = 65,111.85

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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.