Home / 84,331.86-126,501.84-25,172.16

Finding the Fourth Proportional to 84,331.86, 126,501.84 and 25,172.16

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Solution

The fourth proportional to 84,331.86, 126,501.84 and 25,172.16 is: 37,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,331.86 : 126,501.84 = 25,172.16 : x
  2. Step 2: Convert to fraction form
    84,331.86/126,501.84 = 25,172.16/x
  3. Step 3: Cross multiply
    84,331.86x = 126,501.84 × 25,172.16
  4. Step 4: Simplify right side
    84,331.86x = 3,184,324,556.77
  5. Step 5: Solve for x
    x = 3,184,324,556.77/84,331.86
  6. Step 6: Final answer
    x = 37,759.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.