Home / 92,943.84-139,424.16-26,384.64

Finding the Fourth Proportional to 92,943.84, 139,424.16 and 26,384.64

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Solution

The fourth proportional to 92,943.84, 139,424.16 and 26,384.64 is: 39,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,943.84 : 139,424.16 = 26,384.64 : x
  2. Step 2: Convert to fraction form
    92,943.84/139,424.16 = 26,384.64/x
  3. Step 3: Cross multiply
    92,943.84x = 139,424.16 × 26,384.64
  4. Step 4: Simplify right side
    92,943.84x = 3,678,656,268.90
  5. Step 5: Solve for x
    x = 3,678,656,268.90/92,943.84
  6. Step 6: Final answer
    x = 39,579.34

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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.