Home / 75,692.13-104,455.13-42,158.13

Finding the Fourth Proportional to 75,692.13, 104,455.13 and 42,158.13

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Solution

The fourth proportional to 75,692.13, 104,455.13 and 42,158.13 is: 58,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,692.13 : 104,455.13 = 42,158.13 : x
  2. Step 2: Convert to fraction form
    75,692.13/104,455.13 = 42,158.13/x
  3. Step 3: Cross multiply
    75,692.13x = 104,455.13 × 42,158.13
  4. Step 4: Simplify right side
    75,692.13x = 4,403,632,949.71
  5. Step 5: Solve for x
    x = 4,403,632,949.71/75,692.13
  6. Step 6: Final answer
    x = 58,178.21

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1.5x scale

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.