Home / 96,820.86-145,288.13-40,656.64

Finding the Fourth Proportional to 96,820.86, 145,288.13 and 40,656.64

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Solution

The fourth proportional to 96,820.86, 145,288.13 and 40,656.64 is: 61,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,820.86 : 145,288.13 = 40,656.64 : x
  2. Step 2: Convert to fraction form
    96,820.86/145,288.13 = 40,656.64/x
  3. Step 3: Cross multiply
    96,820.86x = 145,288.13 × 40,656.64
  4. Step 4: Simplify right side
    96,820.86x = 5,906,926,994.40
  5. Step 5: Solve for x
    x = 5,906,926,994.40/96,820.86
  6. Step 6: Final answer
    x = 61,008.83

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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.