Home / 69,869.54-96,419.38-38,038.37

Finding the Fourth Proportional to 69,869.54, 96,419.38 and 38,038.37

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Solution

The fourth proportional to 69,869.54, 96,419.38 and 38,038.37 is: 52,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869.54 : 96,419.38 = 38,038.37 : x
  2. Step 2: Convert to fraction form
    69,869.54/96,419.38 = 38,038.37/x
  3. Step 3: Cross multiply
    69,869.54x = 96,419.38 × 38,038.37
  4. Step 4: Simplify right side
    69,869.54x = 3,667,636,051.61
  5. Step 5: Solve for x
    x = 3,667,636,051.61/69,869.54
  6. Step 6: Final answer
    x = 52,492.63

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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.