Home / 88,639.30-122,341.96-56,367.38

Finding the Fourth Proportional to 88,639.30, 122,341.96 and 56,367.38

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Solution

The fourth proportional to 88,639.30, 122,341.96 and 56,367.38 is: 77,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,639.30 : 122,341.96 = 56,367.38 : x
  2. Step 2: Convert to fraction form
    88,639.30/122,341.96 = 56,367.38/x
  3. Step 3: Cross multiply
    88,639.30x = 122,341.96 × 56,367.38
  4. Step 4: Simplify right side
    88,639.30x = 6,896,096,196.04
  5. Step 5: Solve for x
    x = 6,896,096,196.04/88,639.30
  6. Step 6: Final answer
    x = 77,799.53

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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.