Home / 105,314.64-145,317.26-59,993.52

Finding the Fourth Proportional to 105,314.64, 145,317.26 and 59,993.52

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Solution

The fourth proportional to 105,314.64, 145,317.26 and 59,993.52 is: 82,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,314.64 : 145,317.26 = 59,993.52 : x
  2. Step 2: Convert to fraction form
    105,314.64/145,317.26 = 59,993.52/x
  3. Step 3: Cross multiply
    105,314.64x = 145,317.26 × 59,993.52
  4. Step 4: Simplify right side
    105,314.64x = 8,718,093,644.19
  5. Step 5: Solve for x
    x = 8,718,093,644.19/105,314.64
  6. Step 6: Final answer
    x = 82,781.40

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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.