Home / 91,177.83-125,831.75-50,899.46

Finding the Fourth Proportional to 91,177.83, 125,831.75 and 50,899.46

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Solution

The fourth proportional to 91,177.83, 125,831.75 and 50,899.46 is: 70,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,177.83 : 125,831.75 = 50,899.46 : x
  2. Step 2: Convert to fraction form
    91,177.83/125,831.75 = 50,899.46/x
  3. Step 3: Cross multiply
    91,177.83x = 125,831.75 × 50,899.46
  4. Step 4: Simplify right side
    91,177.83x = 6,404,767,242.20
  5. Step 5: Solve for x
    x = 6,404,767,242.20/91,177.83
  6. Step 6: Final answer
    x = 70,244.79

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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.