Home / 92,780.17-139,152.57-26,204.38

Finding the Fourth Proportional to 92,780.17, 139,152.57 and 26,204.38

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Solution

The fourth proportional to 92,780.17, 139,152.57 and 26,204.38 is: 39,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,780.17 : 139,152.57 = 26,204.38 : x
  2. Step 2: Convert to fraction form
    92,780.17/139,152.57 = 26,204.38/x
  3. Step 3: Cross multiply
    92,780.17x = 139,152.57 × 26,204.38
  4. Step 4: Simplify right side
    92,780.17x = 3,646,406,822.26
  5. Step 5: Solve for x
    x = 3,646,406,822.26/92,780.17
  6. Step 6: Final answer
    x = 39,301.58

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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.