Home / 74,736.40-103,133.16-47,841.04

Finding the Fourth Proportional to 74,736.40, 103,133.16 and 47,841.04

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Solution

The fourth proportional to 74,736.40, 103,133.16 and 47,841.04 is: 66,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,736.40 : 103,133.16 = 47,841.04 : x
  2. Step 2: Convert to fraction form
    74,736.40/103,133.16 = 47,841.04/x
  3. Step 3: Cross multiply
    74,736.40x = 103,133.16 × 47,841.04
  4. Step 4: Simplify right side
    74,736.40x = 4,933,997,632.89
  5. Step 5: Solve for x
    x = 4,933,997,632.89/74,736.40
  6. Step 6: Final answer
    x = 66,018.67

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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.