Home / 75,485.13-104,169.70-43,220.25

Finding the Fourth Proportional to 75,485.13, 104,169.70 and 43,220.25

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Solution

The fourth proportional to 75,485.13, 104,169.70 and 43,220.25 is: 59,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,485.13 : 104,169.70 = 43,220.25 : x
  2. Step 2: Convert to fraction form
    75,485.13/104,169.70 = 43,220.25/x
  3. Step 3: Cross multiply
    75,485.13x = 104,169.70 × 43,220.25
  4. Step 4: Simplify right side
    75,485.13x = 4,502,240,476.43
  5. Step 5: Solve for x
    x = 4,502,240,476.43/75,485.13
  6. Step 6: Final answer
    x = 59,644.07

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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.