Home / 89,126.72-133,690.26-36,526.76

Finding the Fourth Proportional to 89,126.72, 133,690.26 and 36,526.76

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Solution

The fourth proportional to 89,126.72, 133,690.26 and 36,526.76 is: 54,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,126.72 : 133,690.26 = 36,526.76 : x
  2. Step 2: Convert to fraction form
    89,126.72/133,690.26 = 36,526.76/x
  3. Step 3: Cross multiply
    89,126.72x = 133,690.26 × 36,526.76
  4. Step 4: Simplify right side
    89,126.72x = 4,883,272,041.36
  5. Step 5: Solve for x
    x = 4,883,272,041.36/89,126.72
  6. Step 6: Final answer
    x = 54,790.21

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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.