Home / 129,117.50-193,687.40-35,623.24

Finding the Fourth Proportional to 129,117.50, 193,687.40 and 35,623.24

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Solution

The fourth proportional to 129,117.50, 193,687.40 and 35,623.24 is: 53,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,117.50 : 193,687.40 = 35,623.24 : x
  2. Step 2: Convert to fraction form
    129,117.50/193,687.40 = 35,623.24/x
  3. Step 3: Cross multiply
    129,117.50x = 193,687.40 × 35,623.24
  4. Step 4: Simplify right side
    129,117.50x = 6,899,772,735.18
  5. Step 5: Solve for x
    x = 6,899,772,735.18/129,117.50
  6. Step 6: Final answer
    x = 53,437.94

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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.