Home / 69,990.90-96,588.48-38,160.33

Finding the Fourth Proportional to 69,990.90, 96,588.48 and 38,160.33

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Solution

The fourth proportional to 69,990.90, 96,588.48 and 38,160.33 is: 52,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,990.90 : 96,588.48 = 38,160.33 : x
  2. Step 2: Convert to fraction form
    69,990.90/96,588.48 = 38,160.33/x
  3. Step 3: Cross multiply
    69,990.90x = 96,588.48 × 38,160.33
  4. Step 4: Simplify right side
    69,990.90x = 3,685,848,271.00
  5. Step 5: Solve for x
    x = 3,685,848,271.00/69,990.90
  6. Step 6: Final answer
    x = 52,661.82

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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.