Home / 89,130.24-133,692.64-36,500.10

Finding the Fourth Proportional to 89,130.24, 133,692.64 and 36,500.10

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Solution

The fourth proportional to 89,130.24, 133,692.64 and 36,500.10 is: 54,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,130.24 : 133,692.64 = 36,500.10 : x
  2. Step 2: Convert to fraction form
    89,130.24/133,692.64 = 36,500.10/x
  3. Step 3: Cross multiply
    89,130.24x = 133,692.64 × 36,500.10
  4. Step 4: Simplify right side
    89,130.24x = 4,879,794,729.26
  5. Step 5: Solve for x
    x = 4,879,794,729.26/89,130.24
  6. Step 6: Final answer
    x = 54,749.04

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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.