Home / 82,570.35-123,831.21-23,411.19

Finding the Fourth Proportional to 82,570.35, 123,831.21 and 23,411.19

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Solution

The fourth proportional to 82,570.35, 123,831.21 and 23,411.19 is: 35,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,570.35 : 123,831.21 = 23,411.19 : x
  2. Step 2: Convert to fraction form
    82,570.35/123,831.21 = 23,411.19/x
  3. Step 3: Cross multiply
    82,570.35x = 123,831.21 × 23,411.19
  4. Step 4: Simplify right side
    82,570.35x = 2,899,035,985.24
  5. Step 5: Solve for x
    x = 2,899,035,985.24/82,570.35
  6. Step 6: Final answer
    x = 35,109.89

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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.