Home / 117,777.40-162,535.49-64,065.29

Finding the Fourth Proportional to 117,777.40, 162,535.49 and 64,065.29

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Solution

The fourth proportional to 117,777.40, 162,535.49 and 64,065.29 is: 88,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,777.40 : 162,535.49 = 64,065.29 : x
  2. Step 2: Convert to fraction form
    117,777.40/162,535.49 = 64,065.29/x
  3. Step 3: Cross multiply
    117,777.40x = 162,535.49 × 64,065.29
  4. Step 4: Simplify right side
    117,777.40x = 10,412,883,302.14
  5. Step 5: Solve for x
    x = 10,412,883,302.14/117,777.40
  6. Step 6: Final answer
    x = 88,411.56

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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.