Home / 115,250.26-159,030.92-64,250.50

Finding the Fourth Proportional to 115,250.26, 159,030.92 and 64,250.50

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Solution

The fourth proportional to 115,250.26, 159,030.92 and 64,250.50 is: 88,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,250.26 : 159,030.92 = 64,250.50 : x
  2. Step 2: Convert to fraction form
    115,250.26/159,030.92 = 64,250.50/x
  3. Step 3: Cross multiply
    115,250.26x = 159,030.92 × 64,250.50
  4. Step 4: Simplify right side
    115,250.26x = 10,217,816,125.46
  5. Step 5: Solve for x
    x = 10,217,816,125.46/115,250.26
  6. Step 6: Final answer
    x = 88,657.64

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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.