Home / 56,416.48-77,855.28-31,268.32

Finding the Fourth Proportional to 56,416.48, 77,855.28 and 31,268.32

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Solution

The fourth proportional to 56,416.48, 77,855.28 and 31,268.32 is: 43,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,416.48 : 77,855.28 = 31,268.32 : x
  2. Step 2: Convert to fraction form
    56,416.48/77,855.28 = 31,268.32/x
  3. Step 3: Cross multiply
    56,416.48x = 77,855.28 × 31,268.32
  4. Step 4: Simplify right side
    56,416.48x = 2,434,403,808.73
  5. Step 5: Solve for x
    x = 2,434,403,808.73/56,416.48
  6. Step 6: Final answer
    x = 43,150.58

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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.