Home / 112,933.56-169,312.84-65,475.66

Finding the Fourth Proportional to 112,933.56, 169,312.84 and 65,475.66

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Solution

The fourth proportional to 112,933.56, 169,312.84 and 65,475.66 is: 98,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,933.56 : 169,312.84 = 65,475.66 : x
  2. Step 2: Convert to fraction form
    112,933.56/169,312.84 = 65,475.66/x
  3. Step 3: Cross multiply
    112,933.56x = 169,312.84 × 65,475.66
  4. Step 4: Simplify right side
    112,933.56x = 11,085,869,945.47
  5. Step 5: Solve for x
    x = 11,085,869,945.47/112,933.56
  6. Step 6: Final answer
    x = 98,162.76

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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.