Home / 91,437.88-126,209.64-53,204.80

Finding the Fourth Proportional to 91,437.88, 126,209.64 and 53,204.80

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Solution

The fourth proportional to 91,437.88, 126,209.64 and 53,204.80 is: 73,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,437.88 : 126,209.64 = 53,204.80 : x
  2. Step 2: Convert to fraction form
    91,437.88/126,209.64 = 53,204.80/x
  3. Step 3: Cross multiply
    91,437.88x = 126,209.64 × 53,204.80
  4. Step 4: Simplify right side
    91,437.88x = 6,714,958,654.27
  5. Step 5: Solve for x
    x = 6,714,958,654.27/91,437.88
  6. Step 6: Final answer
    x = 73,437.38

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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.