Home / 87,406.98-120,684.42-60,502.92

Finding the Fourth Proportional to 87,406.98, 120,684.42 and 60,502.92

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Solution

The fourth proportional to 87,406.98, 120,684.42 and 60,502.92 is: 83,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,406.98 : 120,684.42 = 60,502.92 : x
  2. Step 2: Convert to fraction form
    87,406.98/120,684.42 = 60,502.92/x
  3. Step 3: Cross multiply
    87,406.98x = 120,684.42 × 60,502.92
  4. Step 4: Simplify right side
    87,406.98x = 7,301,759,808.51
  5. Step 5: Solve for x
    x = 7,301,759,808.51/87,406.98
  6. Step 6: Final answer
    x = 83,537.49

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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.