Home / 53,741.04-79,934.97-53,561.22

Finding the Fourth Proportional to 53,741.04, 79,934.97 and 53,561.22

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Solution

The fourth proportional to 53,741.04, 79,934.97 and 53,561.22 is: 79,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,741.04 : 79,934.97 = 53,561.22 : x
  2. Step 2: Convert to fraction form
    53,741.04/79,934.97 = 53,561.22/x
  3. Step 3: Cross multiply
    53,741.04x = 79,934.97 × 53,561.22
  4. Step 4: Simplify right side
    53,741.04x = 4,281,414,513.86
  5. Step 5: Solve for x
    x = 4,281,414,513.86/53,741.04
  6. Step 6: Final answer
    x = 79,667.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.