Home / 92,939.61-139,267.47-69,132.03

Finding the Fourth Proportional to 92,939.61, 139,267.47 and 69,132.03

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Solution

The fourth proportional to 92,939.61, 139,267.47 and 69,132.03 is: 103,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,939.61 : 139,267.47 = 69,132.03 : x
  2. Step 2: Convert to fraction form
    92,939.61/139,267.47 = 69,132.03/x
  3. Step 3: Cross multiply
    92,939.61x = 139,267.47 × 69,132.03
  4. Step 4: Simplify right side
    92,939.61x = 9,627,842,914.06
  5. Step 5: Solve for x
    x = 9,627,842,914.06/92,939.61
  6. Step 6: Final answer
    x = 103,592.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.