Home / 53,341.20-73,619.69-40,636.35

Finding the Fourth Proportional to 53,341.20, 73,619.69 and 40,636.35

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Solution

The fourth proportional to 53,341.20, 73,619.69 and 40,636.35 is: 56,084.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,341.20 : 73,619.69 = 40,636.35 : x
  2. Step 2: Convert to fraction form
    53,341.20/73,619.69 = 40,636.35/x
  3. Step 3: Cross multiply
    53,341.20x = 73,619.69 × 40,636.35
  4. Step 4: Simplify right side
    53,341.20x = 2,991,635,286.55
  5. Step 5: Solve for x
    x = 2,991,635,286.55/53,341.20
  6. Step 6: Final answer
    x = 56,084.89

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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.