Home / 74,945.46-103,397.81-48,102.74

Finding the Fourth Proportional to 74,945.46, 103,397.81 and 48,102.74

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Solution

The fourth proportional to 74,945.46, 103,397.81 and 48,102.74 is: 66,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,945.46 : 103,397.81 = 48,102.74 : x
  2. Step 2: Convert to fraction form
    74,945.46/103,397.81 = 48,102.74/x
  3. Step 3: Cross multiply
    74,945.46x = 103,397.81 × 48,102.74
  4. Step 4: Simplify right side
    74,945.46x = 4,973,717,213.50
  5. Step 5: Solve for x
    x = 4,973,717,213.50/74,945.46
  6. Step 6: Final answer
    x = 66,364.49

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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.