Home / 64,932.16-97,385.28-20,551.36

Finding the Fourth Proportional to 64,932.16, 97,385.28 and 20,551.36

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Solution

The fourth proportional to 64,932.16, 97,385.28 and 20,551.36 is: 30,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,932.16 : 97,385.28 = 20,551.36 : x
  2. Step 2: Convert to fraction form
    64,932.16/97,385.28 = 20,551.36/x
  3. Step 3: Cross multiply
    64,932.16x = 97,385.28 × 20,551.36
  4. Step 4: Simplify right side
    64,932.16x = 2,001,399,947.98
  5. Step 5: Solve for x
    x = 2,001,399,947.98/64,932.16
  6. Step 6: Final answer
    x = 30,822.94

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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.