Home / 85,256.08-117,727.68-53,479.60

Finding the Fourth Proportional to 85,256.08, 117,727.68 and 53,479.60

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Solution

The fourth proportional to 85,256.08, 117,727.68 and 53,479.60 is: 73,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,256.08 : 117,727.68 = 53,479.60 : x
  2. Step 2: Convert to fraction form
    85,256.08/117,727.68 = 53,479.60/x
  3. Step 3: Cross multiply
    85,256.08x = 117,727.68 × 53,479.60
  4. Step 4: Simplify right side
    85,256.08x = 6,296,029,235.33
  5. Step 5: Solve for x
    x = 6,296,029,235.33/85,256.08
  6. Step 6: Final answer
    x = 73,848.45

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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.