Home / 91,130.82-125,692.62-66,924.18

Finding the Fourth Proportional to 91,130.82, 125,692.62 and 66,924.18

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Solution

The fourth proportional to 91,130.82, 125,692.62 and 66,924.18 is: 92,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130.82 : 125,692.62 = 66,924.18 : x
  2. Step 2: Convert to fraction form
    91,130.82/125,692.62 = 66,924.18/x
  3. Step 3: Cross multiply
    91,130.82x = 125,692.62 × 66,924.18
  4. Step 4: Simplify right side
    91,130.82x = 8,411,875,525.55
  5. Step 5: Solve for x
    x = 8,411,875,525.55/91,130.82
  6. Step 6: Final answer
    x = 92,305.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.