Home / 85,026.64-117,342.24-47,300.86

Finding the Fourth Proportional to 85,026.64, 117,342.24 and 47,300.86

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Solution

The fourth proportional to 85,026.64, 117,342.24 and 47,300.86 is: 65,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,026.64 : 117,342.24 = 47,300.86 : x
  2. Step 2: Convert to fraction form
    85,026.64/117,342.24 = 47,300.86/x
  3. Step 3: Cross multiply
    85,026.64x = 117,342.24 × 47,300.86
  4. Step 4: Simplify right side
    85,026.64x = 5,550,388,866.33
  5. Step 5: Solve for x
    x = 5,550,388,866.33/85,026.64
  6. Step 6: Final answer
    x = 65,278.23

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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.