Home / 91,814.42-126,704.58-51,529.08

Finding the Fourth Proportional to 91,814.42, 126,704.58 and 51,529.08

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Solution

The fourth proportional to 91,814.42, 126,704.58 and 51,529.08 is: 71,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,814.42 : 126,704.58 = 51,529.08 : x
  2. Step 2: Convert to fraction form
    91,814.42/126,704.58 = 51,529.08/x
  3. Step 3: Cross multiply
    91,814.42x = 126,704.58 × 51,529.08
  4. Step 4: Simplify right side
    91,814.42x = 6,528,970,439.19
  5. Step 5: Solve for x
    x = 6,528,970,439.19/91,814.42
  6. Step 6: Final answer
    x = 71,110.51

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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.