Home / 54,613.08-81,788.40-31,168.44

Finding the Fourth Proportional to 54,613.08, 81,788.40 and 31,168.44

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Solution

The fourth proportional to 54,613.08, 81,788.40 and 31,168.44 is: 46,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,613.08 : 81,788.40 = 31,168.44 : x
  2. Step 2: Convert to fraction form
    54,613.08/81,788.40 = 31,168.44/x
  3. Step 3: Cross multiply
    54,613.08x = 81,788.40 × 31,168.44
  4. Step 4: Simplify right side
    54,613.08x = 2,549,216,838.10
  5. Step 5: Solve for x
    x = 2,549,216,838.10/54,613.08
  6. Step 6: Final answer
    x = 46,677.77

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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.