Home / 49,472.07-68,281.74-45,486.87

Finding the Fourth Proportional to 49,472.07, 68,281.74 and 45,486.87

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Solution

The fourth proportional to 49,472.07, 68,281.74 and 45,486.87 is: 62,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,472.07 : 68,281.74 = 45,486.87 : x
  2. Step 2: Convert to fraction form
    49,472.07/68,281.74 = 45,486.87/x
  3. Step 3: Cross multiply
    49,472.07x = 68,281.74 × 45,486.87
  4. Step 4: Simplify right side
    49,472.07x = 3,105,922,630.75
  5. Step 5: Solve for x
    x = 3,105,922,630.75/49,472.07
  6. Step 6: Final answer
    x = 62,781.34

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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.