Home / 65,705.94-98,557.52-21,332.63

Finding the Fourth Proportional to 65,705.94, 98,557.52 and 21,332.63

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Solution

The fourth proportional to 65,705.94, 98,557.52 and 21,332.63 is: 31,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,705.94 : 98,557.52 = 21,332.63 : x
  2. Step 2: Convert to fraction form
    65,705.94/98,557.52 = 21,332.63/x
  3. Step 3: Cross multiply
    65,705.94x = 98,557.52 × 21,332.63
  4. Step 4: Simplify right side
    65,705.94x = 2,102,490,508.43
  5. Step 5: Solve for x
    x = 2,102,490,508.43/65,705.94
  6. Step 6: Final answer
    x = 31,998.48

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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.