Home / 96,156.72-132,696.63-53,715.96

Finding the Fourth Proportional to 96,156.72, 132,696.63 and 53,715.96

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Solution

The fourth proportional to 96,156.72, 132,696.63 and 53,715.96 is: 74,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,156.72 : 132,696.63 = 53,715.96 : x
  2. Step 2: Convert to fraction form
    96,156.72/132,696.63 = 53,715.96/x
  3. Step 3: Cross multiply
    96,156.72x = 132,696.63 × 53,715.96
  4. Step 4: Simplify right side
    96,156.72x = 7,127,926,869.21
  5. Step 5: Solve for x
    x = 7,127,926,869.21/96,156.72
  6. Step 6: Final answer
    x = 74,128.22

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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.