Home / 53,194.20-73,403.10-30,528.60

Finding the Fourth Proportional to 53,194.20, 73,403.10 and 30,528.60

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Solution

The fourth proportional to 53,194.20, 73,403.10 and 30,528.60 is: 42,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,194.20 : 73,403.10 = 30,528.60 : x
  2. Step 2: Convert to fraction form
    53,194.20/73,403.10 = 30,528.60/x
  3. Step 3: Cross multiply
    53,194.20x = 73,403.10 × 30,528.60
  4. Step 4: Simplify right side
    53,194.20x = 2,240,893,878.66
  5. Step 5: Solve for x
    x = 2,240,893,878.66/53,194.20
  6. Step 6: Final answer
    x = 42,126.66

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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.