Home / 65,102.06-89,847.54-39,610.23

Finding the Fourth Proportional to 65,102.06, 89,847.54 and 39,610.23

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Solution

The fourth proportional to 65,102.06, 89,847.54 and 39,610.23 is: 54,666.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,102.06 : 89,847.54 = 39,610.23 : x
  2. Step 2: Convert to fraction form
    65,102.06/89,847.54 = 39,610.23/x
  3. Step 3: Cross multiply
    65,102.06x = 89,847.54 × 39,610.23
  4. Step 4: Simplify right side
    65,102.06x = 3,558,881,724.33
  5. Step 5: Solve for x
    x = 3,558,881,724.33/65,102.06
  6. Step 6: Final answer
    x = 54,666.19

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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.