Home / 85,022.76-117,326.16-47,297.28

Finding the Fourth Proportional to 85,022.76, 117,326.16 and 47,297.28

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Solution

The fourth proportional to 85,022.76, 117,326.16 and 47,297.28 is: 65,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,022.76 : 117,326.16 = 47,297.28 : x
  2. Step 2: Convert to fraction form
    85,022.76/117,326.16 = 47,297.28/x
  3. Step 3: Cross multiply
    85,022.76x = 117,326.16 × 47,297.28
  4. Step 4: Simplify right side
    85,022.76x = 5,549,208,240.84
  5. Step 5: Solve for x
    x = 5,549,208,240.84/85,022.76
  6. Step 6: Final answer
    x = 65,267.33

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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.