Home / 85,221.03-127,831.51-22,891.53

Finding the Fourth Proportional to 85,221.03, 127,831.51 and 22,891.53

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Solution

The fourth proportional to 85,221.03, 127,831.51 and 22,891.53 is: 34,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,221.03 : 127,831.51 = 22,891.53 : x
  2. Step 2: Convert to fraction form
    85,221.03/127,831.51 = 22,891.53/x
  3. Step 3: Cross multiply
    85,221.03x = 127,831.51 × 22,891.53
  4. Step 4: Simplify right side
    85,221.03x = 2,926,258,846.11
  5. Step 5: Solve for x
    x = 2,926,258,846.11/85,221.03
  6. Step 6: Final answer
    x = 34,337.29

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1.5x scale

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.