Home / 87,261.42-120,417.60-53,326.68

Finding the Fourth Proportional to 87,261.42, 120,417.60 and 53,326.68

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Solution

The fourth proportional to 87,261.42, 120,417.60 and 53,326.68 is: 73,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,261.42 : 120,417.60 = 53,326.68 : x
  2. Step 2: Convert to fraction form
    87,261.42/120,417.60 = 53,326.68/x
  3. Step 3: Cross multiply
    87,261.42x = 120,417.60 × 53,326.68
  4. Step 4: Simplify right side
    87,261.42x = 6,421,470,821.57
  5. Step 5: Solve for x
    x = 6,421,470,821.57/87,261.42
  6. Step 6: Final answer
    x = 73,588.89

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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.