Home / 84,831.60-127,247.40-29,427.60

Finding the Fourth Proportional to 84,831.60, 127,247.40 and 29,427.60

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Solution

The fourth proportional to 84,831.60, 127,247.40 and 29,427.60 is: 44,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,831.60 : 127,247.40 = 29,427.60 : x
  2. Step 2: Convert to fraction form
    84,831.60/127,247.40 = 29,427.60/x
  3. Step 3: Cross multiply
    84,831.60x = 127,247.40 × 29,427.60
  4. Step 4: Simplify right side
    84,831.60x = 3,744,585,588.24
  5. Step 5: Solve for x
    x = 3,744,585,588.24/84,831.60
  6. Step 6: Final answer
    x = 44,141.40

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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.