Home / 53,233.20-73,415.16-42,618.96

Finding the Fourth Proportional to 53,233.20, 73,415.16 and 42,618.96

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Solution

The fourth proportional to 53,233.20, 73,415.16 and 42,618.96 is: 58,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,233.20 : 73,415.16 = 42,618.96 : x
  2. Step 2: Convert to fraction form
    53,233.20/73,415.16 = 42,618.96/x
  3. Step 3: Cross multiply
    53,233.20x = 73,415.16 × 42,618.96
  4. Step 4: Simplify right side
    53,233.20x = 3,128,877,767.43
  5. Step 5: Solve for x
    x = 3,128,877,767.43/53,233.20
  6. Step 6: Final answer
    x = 58,776.81

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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.