Home / 95,666.64-131,975.80-61,686.05

Finding the Fourth Proportional to 95,666.64, 131,975.80 and 61,686.05

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Solution

The fourth proportional to 95,666.64, 131,975.80 and 61,686.05 is: 85,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,666.64 : 131,975.80 = 61,686.05 : x
  2. Step 2: Convert to fraction form
    95,666.64/131,975.80 = 61,686.05/x
  3. Step 3: Cross multiply
    95,666.64x = 131,975.80 × 61,686.05
  4. Step 4: Simplify right side
    95,666.64x = 8,141,064,946.17
  5. Step 5: Solve for x
    x = 8,141,064,946.17/95,666.64
  6. Step 6: Final answer
    x = 85,098.26

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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.