Home / 101,654.05-140,287.05-56,331.93

Finding the Fourth Proportional to 101,654.05, 140,287.05 and 56,331.93

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Solution

The fourth proportional to 101,654.05, 140,287.05 and 56,331.93 is: 77,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,654.05 : 140,287.05 = 56,331.93 : x
  2. Step 2: Convert to fraction form
    101,654.05/140,287.05 = 56,331.93/x
  3. Step 3: Cross multiply
    101,654.05x = 140,287.05 × 56,331.93
  4. Step 4: Simplify right side
    101,654.05x = 7,902,640,280.51
  5. Step 5: Solve for x
    x = 7,902,640,280.51/101,654.05
  6. Step 6: Final answer
    x = 77,740.54

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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.