Home / 82,790.60-124,148.54-23,612.21

Finding the Fourth Proportional to 82,790.60, 124,148.54 and 23,612.21

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Solution

The fourth proportional to 82,790.60, 124,148.54 and 23,612.21 is: 35,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,790.60 : 124,148.54 = 23,612.21 : x
  2. Step 2: Convert to fraction form
    82,790.60/124,148.54 = 23,612.21/x
  3. Step 3: Cross multiply
    82,790.60x = 124,148.54 × 23,612.21
  4. Step 4: Simplify right side
    82,790.60x = 2,931,420,776.93
  5. Step 5: Solve for x
    x = 2,931,420,776.93/82,790.60
  6. Step 6: Final answer
    x = 35,407.65

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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.