Home / 96,781.77-133,565.49-53,766.45

Finding the Fourth Proportional to 96,781.77, 133,565.49 and 53,766.45

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Solution

The fourth proportional to 96,781.77, 133,565.49 and 53,766.45 is: 74,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,781.77 : 133,565.49 = 53,766.45 : x
  2. Step 2: Convert to fraction form
    96,781.77/133,565.49 = 53,766.45/x
  3. Step 3: Cross multiply
    96,781.77x = 133,565.49 × 53,766.45
  4. Step 4: Simplify right side
    96,781.77x = 7,181,342,239.81
  5. Step 5: Solve for x
    x = 7,181,342,239.81/96,781.77
  6. Step 6: Final answer
    x = 74,201.39

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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.