Home / 70,698.47-105,983.11-64,535.22

Finding the Fourth Proportional to 70,698.47, 105,983.11 and 64,535.22

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Solution

The fourth proportional to 70,698.47, 105,983.11 and 64,535.22 is: 96,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,698.47 : 105,983.11 = 64,535.22 : x
  2. Step 2: Convert to fraction form
    70,698.47/105,983.11 = 64,535.22/x
  3. Step 3: Cross multiply
    70,698.47x = 105,983.11 × 64,535.22
  4. Step 4: Simplify right side
    70,698.47x = 6,839,643,400.80
  5. Step 5: Solve for x
    x = 6,839,643,400.80/70,698.47
  6. Step 6: Final answer
    x = 96,743.87

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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.