Home / 92,857.97-139,366.49-92,159.04

Finding the Fourth Proportional to 92,857.97, 139,366.49 and 92,159.04

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Solution

The fourth proportional to 92,857.97, 139,366.49 and 92,159.04 is: 138,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,857.97 : 139,366.49 = 92,159.04 : x
  2. Step 2: Convert to fraction form
    92,857.97/139,366.49 = 92,159.04/x
  3. Step 3: Cross multiply
    92,857.97x = 139,366.49 × 92,159.04
  4. Step 4: Simplify right side
    92,857.97x = 12,843,881,465.77
  5. Step 5: Solve for x
    x = 12,843,881,465.77/92,857.97
  6. Step 6: Final answer
    x = 138,317.50

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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.