Home / 96,877.90-133,707.56-56,591.54

Finding the Fourth Proportional to 96,877.90, 133,707.56 and 56,591.54

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Solution

The fourth proportional to 96,877.90, 133,707.56 and 56,591.54 is: 78,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,877.90 : 133,707.56 = 56,591.54 : x
  2. Step 2: Convert to fraction form
    96,877.90/133,707.56 = 56,591.54/x
  3. Step 3: Cross multiply
    96,877.90x = 133,707.56 × 56,591.54
  4. Step 4: Simplify right side
    96,877.90x = 7,566,716,730.04
  5. Step 5: Solve for x
    x = 7,566,716,730.04/96,877.90
  6. Step 6: Final answer
    x = 78,105.71

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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.