Home / 109,700.10-164,501.55-50,553.90

Finding the Fourth Proportional to 109,700.10, 164,501.55 and 50,553.90

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Solution

The fourth proportional to 109,700.10, 164,501.55 and 50,553.90 is: 75,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,700.10 : 164,501.55 = 50,553.90 : x
  2. Step 2: Convert to fraction form
    109,700.10/164,501.55 = 50,553.90/x
  3. Step 3: Cross multiply
    109,700.10x = 164,501.55 × 50,553.90
  4. Step 4: Simplify right side
    109,700.10x = 8,316,194,908.55
  5. Step 5: Solve for x
    x = 8,316,194,908.55/109,700.10
  6. Step 6: Final answer
    x = 75,808.45

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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.