Home / 69,774.31-96,291.08-39,972.07

Finding the Fourth Proportional to 69,774.31, 96,291.08 and 39,972.07

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Solution

The fourth proportional to 69,774.31, 96,291.08 and 39,972.07 is: 55,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,774.31 : 96,291.08 = 39,972.07 : x
  2. Step 2: Convert to fraction form
    69,774.31/96,291.08 = 39,972.07/x
  3. Step 3: Cross multiply
    69,774.31x = 96,291.08 × 39,972.07
  4. Step 4: Simplify right side
    69,774.31x = 3,848,953,649.34
  5. Step 5: Solve for x
    x = 3,848,953,649.34/69,774.31
  6. Step 6: Final answer
    x = 55,162.91

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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.