Home / 114,538.82-171,767.05-39,638.63

Finding the Fourth Proportional to 114,538.82, 171,767.05 and 39,638.63

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Solution

The fourth proportional to 114,538.82, 171,767.05 and 39,638.63 is: 59,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,538.82 : 171,767.05 = 39,638.63 : x
  2. Step 2: Convert to fraction form
    114,538.82/171,767.05 = 39,638.63/x
  3. Step 3: Cross multiply
    114,538.82x = 171,767.05 × 39,638.63
  4. Step 4: Simplify right side
    114,538.82x = 6,808,610,871.46
  5. Step 5: Solve for x
    x = 6,808,610,871.46/114,538.82
  6. Step 6: Final answer
    x = 59,443.70

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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.