Home / 107,158.93-160,727.09-43,985.70

Finding the Fourth Proportional to 107,158.93, 160,727.09 and 43,985.70

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Solution

The fourth proportional to 107,158.93, 160,727.09 and 43,985.70 is: 65,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,158.93 : 160,727.09 = 43,985.70 : x
  2. Step 2: Convert to fraction form
    107,158.93/160,727.09 = 43,985.70/x
  3. Step 3: Cross multiply
    107,158.93x = 160,727.09 × 43,985.70
  4. Step 4: Simplify right side
    107,158.93x = 7,069,693,342.68
  5. Step 5: Solve for x
    x = 7,069,693,342.68/107,158.93
  6. Step 6: Final answer
    x = 65,973.91

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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.