Home / 70,061.35-96,656.89-43,157.20

Finding the Fourth Proportional to 70,061.35, 96,656.89 and 43,157.20

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Solution

The fourth proportional to 70,061.35, 96,656.89 and 43,157.20 is: 59,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,061.35 : 96,656.89 = 43,157.20 : x
  2. Step 2: Convert to fraction form
    70,061.35/96,656.89 = 43,157.20/x
  3. Step 3: Cross multiply
    70,061.35x = 96,656.89 × 43,157.20
  4. Step 4: Simplify right side
    70,061.35x = 4,171,440,733.11
  5. Step 5: Solve for x
    x = 4,171,440,733.11/70,061.35
  6. Step 6: Final answer
    x = 59,539.83

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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.