Home / 57,953.17-86,943.32-17,970.05

Finding the Fourth Proportional to 57,953.17, 86,943.32 and 17,970.05

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Solution

The fourth proportional to 57,953.17, 86,943.32 and 17,970.05 is: 26,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,953.17 : 86,943.32 = 17,970.05 : x
  2. Step 2: Convert to fraction form
    57,953.17/86,943.32 = 17,970.05/x
  3. Step 3: Cross multiply
    57,953.17x = 86,943.32 × 17,970.05
  4. Step 4: Simplify right side
    57,953.17x = 1,562,375,717.72
  5. Step 5: Solve for x
    x = 1,562,375,717.72/57,953.17
  6. Step 6: Final answer
    x = 26,959.28

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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.