Home / 103,125.36-154,463.40-63,692.40

Finding the Fourth Proportional to 103,125.36, 154,463.40 and 63,692.40

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Solution

The fourth proportional to 103,125.36, 154,463.40 and 63,692.40 is: 95,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,125.36 : 154,463.40 = 63,692.40 : x
  2. Step 2: Convert to fraction form
    103,125.36/154,463.40 = 63,692.40/x
  3. Step 3: Cross multiply
    103,125.36x = 154,463.40 × 63,692.40
  4. Step 4: Simplify right side
    103,125.36x = 9,838,144,658.16
  5. Step 5: Solve for x
    x = 9,838,144,658.16/103,125.36
  6. Step 6: Final answer
    x = 95,399.86

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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.