Home / 89,329.03-123,264.99-53,518.12

Finding the Fourth Proportional to 89,329.03, 123,264.99 and 53,518.12

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Solution

The fourth proportional to 89,329.03, 123,264.99 and 53,518.12 is: 73,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,329.03 : 123,264.99 = 53,518.12 : x
  2. Step 2: Convert to fraction form
    89,329.03/123,264.99 = 53,518.12/x
  3. Step 3: Cross multiply
    89,329.03x = 123,264.99 × 53,518.12
  4. Step 4: Simplify right side
    89,329.03x = 6,596,910,218.46
  5. Step 5: Solve for x
    x = 6,596,910,218.46/89,329.03
  6. Step 6: Final answer
    x = 73,849.57

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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.