Home / 82,156.16-113,342.08-60,696.96

Finding the Fourth Proportional to 82,156.16, 113,342.08 and 60,696.96

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Solution

The fourth proportional to 82,156.16, 113,342.08 and 60,696.96 is: 83,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,156.16 : 113,342.08 = 60,696.96 : x
  2. Step 2: Convert to fraction form
    82,156.16/113,342.08 = 60,696.96/x
  3. Step 3: Cross multiply
    82,156.16x = 113,342.08 × 60,696.96
  4. Step 4: Simplify right side
    82,156.16x = 6,879,519,696.08
  5. Step 5: Solve for x
    x = 6,879,519,696.08/82,156.16
  6. Step 6: Final answer
    x = 83,737.11

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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.