Home / 79,587.16-119,125.58-52,871.80

Finding the Fourth Proportional to 79,587.16, 119,125.58 and 52,871.80

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Solution

The fourth proportional to 79,587.16, 119,125.58 and 52,871.80 is: 79,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,587.16 : 119,125.58 = 52,871.80 : x
  2. Step 2: Convert to fraction form
    79,587.16/119,125.58 = 52,871.80/x
  3. Step 3: Cross multiply
    79,587.16x = 119,125.58 × 52,871.80
  4. Step 4: Simplify right side
    79,587.16x = 6,298,383,840.64
  5. Step 5: Solve for x
    x = 6,298,383,840.64/79,587.16
  6. Step 6: Final answer
    x = 79,138.19

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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.