Home / 96,697.11-133,444.32-54,258.78

Finding the Fourth Proportional to 96,697.11, 133,444.32 and 54,258.78

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Solution

The fourth proportional to 96,697.11, 133,444.32 and 54,258.78 is: 74,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,697.11 : 133,444.32 = 54,258.78 : x
  2. Step 2: Convert to fraction form
    96,697.11/133,444.32 = 54,258.78/x
  3. Step 3: Cross multiply
    96,697.11x = 133,444.32 × 54,258.78
  4. Step 4: Simplify right side
    96,697.11x = 7,240,526,001.13
  5. Step 5: Solve for x
    x = 7,240,526,001.13/96,697.11
  6. Step 6: Final answer
    x = 74,878.41

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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.