Home / 53,221.08-73,445.94-31,996.20

Finding the Fourth Proportional to 53,221.08, 73,445.94 and 31,996.20

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Solution

The fourth proportional to 53,221.08, 73,445.94 and 31,996.20 is: 44,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,221.08 : 73,445.94 = 31,996.20 : x
  2. Step 2: Convert to fraction form
    53,221.08/73,445.94 = 31,996.20/x
  3. Step 3: Cross multiply
    53,221.08x = 73,445.94 × 31,996.20
  4. Step 4: Simplify right side
    53,221.08x = 2,349,990,985.43
  5. Step 5: Solve for x
    x = 2,349,990,985.43/53,221.08
  6. Step 6: Final answer
    x = 44,155.27

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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.