Home / 91,647.45-126,471.38-53,404.56

Finding the Fourth Proportional to 91,647.45, 126,471.38 and 53,404.56

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Solution

The fourth proportional to 91,647.45, 126,471.38 and 53,404.56 is: 73,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,647.45 : 126,471.38 = 53,404.56 : x
  2. Step 2: Convert to fraction form
    91,647.45/126,471.38 = 53,404.56/x
  3. Step 3: Cross multiply
    91,647.45x = 126,471.38 × 53,404.56
  4. Step 4: Simplify right side
    91,647.45x = 6,754,148,134.47
  5. Step 5: Solve for x
    x = 6,754,148,134.47/91,647.45
  6. Step 6: Final answer
    x = 73,697.07

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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.