Home / 75,107.34-103,608.18-46,443.06

Finding the Fourth Proportional to 75,107.34, 103,608.18 and 46,443.06

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Solution

The fourth proportional to 75,107.34, 103,608.18 and 46,443.06 is: 64,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,107.34 : 103,608.18 = 46,443.06 : x
  2. Step 2: Convert to fraction form
    75,107.34/103,608.18 = 46,443.06/x
  3. Step 3: Cross multiply
    75,107.34x = 103,608.18 × 46,443.06
  4. Step 4: Simplify right side
    75,107.34x = 4,811,880,920.23
  5. Step 5: Solve for x
    x = 4,811,880,920.23/75,107.34
  6. Step 6: Final answer
    x = 64,066.72

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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.