Home / 56,831.22-78,425.56-31,337.14

Finding the Fourth Proportional to 56,831.22, 78,425.56 and 31,337.14

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Solution

The fourth proportional to 56,831.22, 78,425.56 and 31,337.14 is: 43,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,831.22 : 78,425.56 = 31,337.14 : x
  2. Step 2: Convert to fraction form
    56,831.22/78,425.56 = 31,337.14/x
  3. Step 3: Cross multiply
    56,831.22x = 78,425.56 × 31,337.14
  4. Step 4: Simplify right side
    56,831.22x = 2,457,632,753.30
  5. Step 5: Solve for x
    x = 2,457,632,753.30/56,831.22
  6. Step 6: Final answer
    x = 43,244.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.