Home / 64,314.81-88,755.66-36,020.43

Finding the Fourth Proportional to 64,314.81, 88,755.66 and 36,020.43

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Solution

The fourth proportional to 64,314.81, 88,755.66 and 36,020.43 is: 49,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,314.81 : 88,755.66 = 36,020.43 : x
  2. Step 2: Convert to fraction form
    64,314.81/88,755.66 = 36,020.43/x
  3. Step 3: Cross multiply
    64,314.81x = 88,755.66 × 36,020.43
  4. Step 4: Simplify right side
    64,314.81x = 3,197,017,038.13
  5. Step 5: Solve for x
    x = 3,197,017,038.13/64,314.81
  6. Step 6: Final answer
    x = 49,708.88

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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.