Home / 102,529.26-153,816.66-31,461.75

Finding the Fourth Proportional to 102,529.26, 153,816.66 and 31,461.75

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Solution

The fourth proportional to 102,529.26, 153,816.66 and 31,461.75 is: 47,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,529.26 : 153,816.66 = 31,461.75 : x
  2. Step 2: Convert to fraction form
    102,529.26/153,816.66 = 31,461.75/x
  3. Step 3: Cross multiply
    102,529.26x = 153,816.66 × 31,461.75
  4. Step 4: Simplify right side
    102,529.26x = 4,839,341,302.76
  5. Step 5: Solve for x
    x = 4,839,341,302.76/102,529.26
  6. Step 6: Final answer
    x = 47,199.61

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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.