Home / 91,913.37-126,843.52-51,079.21

Finding the Fourth Proportional to 91,913.37, 126,843.52 and 51,079.21

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Solution

The fourth proportional to 91,913.37, 126,843.52 and 51,079.21 is: 70,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,913.37 : 126,843.52 = 51,079.21 : x
  2. Step 2: Convert to fraction form
    91,913.37/126,843.52 = 51,079.21/x
  3. Step 3: Cross multiply
    91,913.37x = 126,843.52 × 51,079.21
  4. Step 4: Simplify right side
    91,913.37x = 6,479,066,795.22
  5. Step 5: Solve for x
    x = 6,479,066,795.22/91,913.37
  6. Step 6: Final answer
    x = 70,491.02

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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.