Home / 69,549.84-95,977.31-39,331.17

Finding the Fourth Proportional to 69,549.84, 95,977.31 and 39,331.17

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Solution

The fourth proportional to 69,549.84, 95,977.31 and 39,331.17 is: 54,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,549.84 : 95,977.31 = 39,331.17 : x
  2. Step 2: Convert to fraction form
    69,549.84/95,977.31 = 39,331.17/x
  3. Step 3: Cross multiply
    69,549.84x = 95,977.31 × 39,331.17
  4. Step 4: Simplify right side
    69,549.84x = 3,774,899,699.10
  5. Step 5: Solve for x
    x = 3,774,899,699.10/69,549.84
  6. Step 6: Final answer
    x = 54,276.18

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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.