Home / 69,988.37-96,588.59-39,773.75

Finding the Fourth Proportional to 69,988.37, 96,588.59 and 39,773.75

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Solution

The fourth proportional to 69,988.37, 96,588.59 and 39,773.75 is: 54,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,988.37 : 96,588.59 = 39,773.75 : x
  2. Step 2: Convert to fraction form
    69,988.37/96,588.59 = 39,773.75/x
  3. Step 3: Cross multiply
    69,988.37x = 96,588.59 × 39,773.75
  4. Step 4: Simplify right side
    69,988.37x = 3,841,689,749.70
  5. Step 5: Solve for x
    x = 3,841,689,749.70/69,988.37
  6. Step 6: Final answer
    x = 54,890.41

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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.