Home / 55,831.07-83,697.37-20,746.13

Finding the Fourth Proportional to 55,831.07, 83,697.37 and 20,746.13

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Solution

The fourth proportional to 55,831.07, 83,697.37 and 20,746.13 is: 31,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.07 : 83,697.37 = 20,746.13 : x
  2. Step 2: Convert to fraction form
    55,831.07/83,697.37 = 20,746.13/x
  3. Step 3: Cross multiply
    55,831.07x = 83,697.37 × 20,746.13
  4. Step 4: Simplify right side
    55,831.07x = 1,736,396,048.33
  5. Step 5: Solve for x
    x = 1,736,396,048.33/55,831.07
  6. Step 6: Final answer
    x = 31,100.89

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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.