Home / 86,511.85-119,551.37-62,391.97

Finding the Fourth Proportional to 86,511.85, 119,551.37 and 62,391.97

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Solution

The fourth proportional to 86,511.85, 119,551.37 and 62,391.97 is: 86,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,511.85 : 119,551.37 = 62,391.97 : x
  2. Step 2: Convert to fraction form
    86,511.85/119,551.37 = 62,391.97/x
  3. Step 3: Cross multiply
    86,511.85x = 119,551.37 × 62,391.97
  4. Step 4: Simplify right side
    86,511.85x = 7,459,045,490.50
  5. Step 5: Solve for x
    x = 7,459,045,490.50/86,511.85
  6. Step 6: Final answer
    x = 86,219.93

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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.