Home / 86,748.15-119,705.88-52,751.92

Finding the Fourth Proportional to 86,748.15, 119,705.88 and 52,751.92

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Solution

The fourth proportional to 86,748.15, 119,705.88 and 52,751.92 is: 72,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,748.15 : 119,705.88 = 52,751.92 : x
  2. Step 2: Convert to fraction form
    86,748.15/119,705.88 = 52,751.92/x
  3. Step 3: Cross multiply
    86,748.15x = 119,705.88 × 52,751.92
  4. Step 4: Simplify right side
    86,748.15x = 6,314,714,406.76
  5. Step 5: Solve for x
    x = 6,314,714,406.76/86,748.15
  6. Step 6: Final answer
    x = 72,793.65

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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.