Home / 72,831.16-109,247.06-25,446.04

Finding the Fourth Proportional to 72,831.16, 109,247.06 and 25,446.04

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Solution

The fourth proportional to 72,831.16, 109,247.06 and 25,446.04 is: 38,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,831.16 : 109,247.06 = 25,446.04 : x
  2. Step 2: Convert to fraction form
    72,831.16/109,247.06 = 25,446.04/x
  3. Step 3: Cross multiply
    72,831.16x = 109,247.06 × 25,446.04
  4. Step 4: Simplify right side
    72,831.16x = 2,779,905,058.64
  5. Step 5: Solve for x
    x = 2,779,905,058.64/72,831.16
  6. Step 6: Final answer
    x = 38,169.17

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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.