Home / 82,836.96-124,292.01-64,278.24

Finding the Fourth Proportional to 82,836.96, 124,292.01 and 64,278.24

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Solution

The fourth proportional to 82,836.96, 124,292.01 and 64,278.24 is: 96,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,836.96 : 124,292.01 = 64,278.24 : x
  2. Step 2: Convert to fraction form
    82,836.96/124,292.01 = 64,278.24/x
  3. Step 3: Cross multiply
    82,836.96x = 124,292.01 × 64,278.24
  4. Step 4: Simplify right side
    82,836.96x = 7,989,271,648.86
  5. Step 5: Solve for x
    x = 7,989,271,648.86/82,836.96
  6. Step 6: Final answer
    x = 96,445.74

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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.