Home / 85,254.19-117,648.08-47,015.35

Finding the Fourth Proportional to 85,254.19, 117,648.08 and 47,015.35

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Solution

The fourth proportional to 85,254.19, 117,648.08 and 47,015.35 is: 64,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,254.19 : 117,648.08 = 47,015.35 : x
  2. Step 2: Convert to fraction form
    85,254.19/117,648.08 = 47,015.35/x
  3. Step 3: Cross multiply
    85,254.19x = 117,648.08 × 47,015.35
  4. Step 4: Simplify right side
    85,254.19x = 5,531,265,658.03
  5. Step 5: Solve for x
    x = 5,531,265,658.03/85,254.19
  6. Step 6: Final answer
    x = 64,879.69

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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.