Home / 58,850.20-81,203.88-38,715.22

Finding the Fourth Proportional to 58,850.20, 81,203.88 and 38,715.22

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Solution

The fourth proportional to 58,850.20, 81,203.88 and 38,715.22 is: 53,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,850.20 : 81,203.88 = 38,715.22 : x
  2. Step 2: Convert to fraction form
    58,850.20/81,203.88 = 38,715.22/x
  3. Step 3: Cross multiply
    58,850.20x = 81,203.88 × 38,715.22
  4. Step 4: Simplify right side
    58,850.20x = 3,143,826,079.05
  5. Step 5: Solve for x
    x = 3,143,826,079.05/58,850.20
  6. Step 6: Final answer
    x = 53,420.82

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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.