Home / 74,810.39-103,144.96-47,908.67

Finding the Fourth Proportional to 74,810.39, 103,144.96 and 47,908.67

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Solution

The fourth proportional to 74,810.39, 103,144.96 and 47,908.67 is: 66,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,810.39 : 103,144.96 = 47,908.67 : x
  2. Step 2: Convert to fraction form
    74,810.39/103,144.96 = 47,908.67/x
  3. Step 3: Cross multiply
    74,810.39x = 103,144.96 × 47,908.67
  4. Step 4: Simplify right side
    74,810.39x = 4,941,537,850.80
  5. Step 5: Solve for x
    x = 4,941,537,850.80/74,810.39
  6. Step 6: Final answer
    x = 66,054.17

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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.