Home / 85,019.32-117,327.35-47,293.57

Finding the Fourth Proportional to 85,019.32, 117,327.35 and 47,293.57

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Solution

The fourth proportional to 85,019.32, 117,327.35 and 47,293.57 is: 65,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,019.32 : 117,327.35 = 47,293.57 : x
  2. Step 2: Convert to fraction form
    85,019.32/117,327.35 = 47,293.57/x
  3. Step 3: Cross multiply
    85,019.32x = 117,327.35 × 47,293.57
  4. Step 4: Simplify right side
    85,019.32x = 5,548,829,240.14
  5. Step 5: Solve for x
    x = 5,548,829,240.14/85,019.32
  6. Step 6: Final answer
    x = 65,265.51

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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.