Home / 96,781.95-133,556.40-53,760.06

Finding the Fourth Proportional to 96,781.95, 133,556.40 and 53,760.06

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Solution

The fourth proportional to 96,781.95, 133,556.40 and 53,760.06 is: 74,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,781.95 : 133,556.40 = 53,760.06 : x
  2. Step 2: Convert to fraction form
    96,781.95/133,556.40 = 53,760.06/x
  3. Step 3: Cross multiply
    96,781.95x = 133,556.40 × 53,760.06
  4. Step 4: Simplify right side
    96,781.95x = 7,180,000,077.38
  5. Step 5: Solve for x
    x = 7,180,000,077.38/96,781.95
  6. Step 6: Final answer
    x = 74,187.39

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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.