Home / 85,268.63-117,671.52-47,029.65

Finding the Fourth Proportional to 85,268.63, 117,671.52 and 47,029.65

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Solution

The fourth proportional to 85,268.63, 117,671.52 and 47,029.65 is: 64,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,268.63 : 117,671.52 = 47,029.65 : x
  2. Step 2: Convert to fraction form
    85,268.63/117,671.52 = 47,029.65/x
  3. Step 3: Cross multiply
    85,268.63x = 117,671.52 × 47,029.65
  4. Step 4: Simplify right side
    85,268.63x = 5,534,050,400.57
  5. Step 5: Solve for x
    x = 5,534,050,400.57/85,268.63
  6. Step 6: Final answer
    x = 64,901.36

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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.