Home / 85,679.03-118,237.05-47,953.28

Finding the Fourth Proportional to 85,679.03, 118,237.05 and 47,953.28

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Solution

The fourth proportional to 85,679.03, 118,237.05 and 47,953.28 is: 66,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,679.03 : 118,237.05 = 47,953.28 : x
  2. Step 2: Convert to fraction form
    85,679.03/118,237.05 = 47,953.28/x
  3. Step 3: Cross multiply
    85,679.03x = 118,237.05 × 47,953.28
  4. Step 4: Simplify right side
    85,679.03x = 5,669,854,660.62
  5. Step 5: Solve for x
    x = 5,669,854,660.62/85,679.03
  6. Step 6: Final answer
    x = 66,175.52

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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.