Home / 86,895.46-119,887.87-48,649.40

Finding the Fourth Proportional to 86,895.46, 119,887.87 and 48,649.40

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Solution

The fourth proportional to 86,895.46, 119,887.87 and 48,649.40 is: 67,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,895.46 : 119,887.87 = 48,649.40 : x
  2. Step 2: Convert to fraction form
    86,895.46/119,887.87 = 48,649.40/x
  3. Step 3: Cross multiply
    86,895.46x = 119,887.87 × 48,649.40
  4. Step 4: Simplify right side
    86,895.46x = 5,832,472,100.09
  5. Step 5: Solve for x
    x = 5,832,472,100.09/86,895.46
  6. Step 6: Final answer
    x = 67,120.57

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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.