Home / 110,317.70-152,056.49-78,010.64

Finding the Fourth Proportional to 110,317.70, 152,056.49 and 78,010.64

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Solution

The fourth proportional to 110,317.70, 152,056.49 and 78,010.64 is: 107,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,317.70 : 152,056.49 = 78,010.64 : x
  2. Step 2: Convert to fraction form
    110,317.70/152,056.49 = 78,010.64/x
  3. Step 3: Cross multiply
    110,317.70x = 152,056.49 × 78,010.64
  4. Step 4: Simplify right side
    110,317.70x = 11,862,024,815.06
  5. Step 5: Solve for x
    x = 11,862,024,815.06/110,317.70
  6. Step 6: Final answer
    x = 107,526.04

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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.