Home / 75,071.81-103,597.49-41,080.16

Finding the Fourth Proportional to 75,071.81, 103,597.49 and 41,080.16

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Solution

The fourth proportional to 75,071.81, 103,597.49 and 41,080.16 is: 56,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,071.81 : 103,597.49 = 41,080.16 : x
  2. Step 2: Convert to fraction form
    75,071.81/103,597.49 = 41,080.16/x
  3. Step 3: Cross multiply
    75,071.81x = 103,597.49 × 41,080.16
  4. Step 4: Simplify right side
    75,071.81x = 4,255,801,049.51
  5. Step 5: Solve for x
    x = 4,255,801,049.51/75,071.81
  6. Step 6: Final answer
    x = 56,689.74

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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.