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Finding the Fourth Proportional to 56,181.60, 84,272.40 and 51,904.80

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Solution

The fourth proportional to 56,181.60, 84,272.40 and 51,904.80 is: 77,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.60 : 84,272.40 = 51,904.80 : x
  2. Step 2: Convert to fraction form
    56,181.60/84,272.40 = 51,904.80/x
  3. Step 3: Cross multiply
    56,181.60x = 84,272.40 × 51,904.80
  4. Step 4: Simplify right side
    56,181.60x = 4,374,142,067.52
  5. Step 5: Solve for x
    x = 4,374,142,067.52/56,181.60
  6. Step 6: Final answer
    x = 77,857.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.