Home / 72,660.48-100,337.04-45,850.56

Finding the Fourth Proportional to 72,660.48, 100,337.04 and 45,850.56

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Solution

The fourth proportional to 72,660.48, 100,337.04 and 45,850.56 is: 63,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,660.48 : 100,337.04 = 45,850.56 : x
  2. Step 2: Convert to fraction form
    72,660.48/100,337.04 = 45,850.56/x
  3. Step 3: Cross multiply
    72,660.48x = 100,337.04 × 45,850.56
  4. Step 4: Simplify right side
    72,660.48x = 4,600,509,472.74
  5. Step 5: Solve for x
    x = 4,600,509,472.74/72,660.48
  6. Step 6: Final answer
    x = 63,315.15

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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.