Home / 69,805.16-96,309.36-39,588.11

Finding the Fourth Proportional to 69,805.16, 96,309.36 and 39,588.11

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Solution

The fourth proportional to 69,805.16, 96,309.36 and 39,588.11 is: 54,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,805.16 : 96,309.36 = 39,588.11 : x
  2. Step 2: Convert to fraction form
    69,805.16/96,309.36 = 39,588.11/x
  3. Step 3: Cross multiply
    69,805.16x = 96,309.36 × 39,588.11
  4. Step 4: Simplify right side
    69,805.16x = 3,812,705,537.71
  5. Step 5: Solve for x
    x = 3,812,705,537.71/69,805.16
  6. Step 6: Final answer
    x = 54,619.25

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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.