Home / 89,309.54-123,191.10-52,985.26

Finding the Fourth Proportional to 89,309.54, 123,191.10 and 52,985.26

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Solution

The fourth proportional to 89,309.54, 123,191.10 and 52,985.26 is: 73,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,309.54 : 123,191.10 = 52,985.26 : x
  2. Step 2: Convert to fraction form
    89,309.54/123,191.10 = 52,985.26/x
  3. Step 3: Cross multiply
    89,309.54x = 123,191.10 × 52,985.26
  4. Step 4: Simplify right side
    89,309.54x = 6,527,312,463.19
  5. Step 5: Solve for x
    x = 6,527,312,463.19/89,309.54
  6. Step 6: Final answer
    x = 73,086.40

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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.