Home / 87,998.86-121,538.66-59,655.34

Finding the Fourth Proportional to 87,998.86, 121,538.66 and 59,655.34

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Solution

The fourth proportional to 87,998.86, 121,538.66 and 59,655.34 is: 82,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,998.86 : 121,538.66 = 59,655.34 : x
  2. Step 2: Convert to fraction form
    87,998.86/121,538.66 = 59,655.34/x
  3. Step 3: Cross multiply
    87,998.86x = 121,538.66 × 59,655.34
  4. Step 4: Simplify right side
    87,998.86x = 7,250,430,085.44
  5. Step 5: Solve for x
    x = 7,250,430,085.44/87,998.86
  6. Step 6: Final answer
    x = 82,392.32

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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.