Home / 57,831.80-86,747.70-34,503.80

Finding the Fourth Proportional to 57,831.80, 86,747.70 and 34,503.80

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Solution

The fourth proportional to 57,831.80, 86,747.70 and 34,503.80 is: 51,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,831.80 : 86,747.70 = 34,503.80 : x
  2. Step 2: Convert to fraction form
    57,831.80/86,747.70 = 34,503.80/x
  3. Step 3: Cross multiply
    57,831.80x = 86,747.70 × 34,503.80
  4. Step 4: Simplify right side
    57,831.80x = 2,993,125,291.26
  5. Step 5: Solve for x
    x = 2,993,125,291.26/57,831.80
  6. Step 6: Final answer
    x = 51,755.70

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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.