Home / 86,795.18-130,191.82-65,863.77

Finding the Fourth Proportional to 86,795.18, 130,191.82 and 65,863.77

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Solution

The fourth proportional to 86,795.18, 130,191.82 and 65,863.77 is: 98,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,795.18 : 130,191.82 = 65,863.77 : x
  2. Step 2: Convert to fraction form
    86,795.18/130,191.82 = 65,863.77/x
  3. Step 3: Cross multiply
    86,795.18x = 130,191.82 × 65,863.77
  4. Step 4: Simplify right side
    86,795.18x = 8,574,924,088.36
  5. Step 5: Solve for x
    x = 8,574,924,088.36/86,795.18
  6. Step 6: Final answer
    x = 98,794.93

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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.