Home / 99,156.75-136,832.45-53,833.70

Finding the Fourth Proportional to 99,156.75, 136,832.45 and 53,833.70

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Solution

The fourth proportional to 99,156.75, 136,832.45 and 53,833.70 is: 74,288.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156.75 : 136,832.45 = 53,833.70 : x
  2. Step 2: Convert to fraction form
    99,156.75/136,832.45 = 53,833.70/x
  3. Step 3: Cross multiply
    99,156.75x = 136,832.45 × 53,833.70
  4. Step 4: Simplify right side
    99,156.75x = 7,366,197,063.57
  5. Step 5: Solve for x
    x = 7,366,197,063.57/99,156.75
  6. Step 6: Final answer
    x = 74,288.41

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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.