Home / 110,509.07-152,381.84-74,636.81

Finding the Fourth Proportional to 110,509.07, 152,381.84 and 74,636.81

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Solution

The fourth proportional to 110,509.07, 152,381.84 and 74,636.81 is: 102,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,509.07 : 152,381.84 = 74,636.81 : x
  2. Step 2: Convert to fraction form
    110,509.07/152,381.84 = 74,636.81/x
  3. Step 3: Cross multiply
    110,509.07x = 152,381.84 × 74,636.81
  4. Step 4: Simplify right side
    110,509.07x = 11,373,293,864.21
  5. Step 5: Solve for x
    x = 11,373,293,864.21/110,509.07
  6. Step 6: Final answer
    x = 102,917.29

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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.