Home / 74,091.51-102,279.11-47,269.17

Finding the Fourth Proportional to 74,091.51, 102,279.11 and 47,269.17

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Solution

The fourth proportional to 74,091.51, 102,279.11 and 47,269.17 is: 65,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,091.51 : 102,279.11 = 47,269.17 : x
  2. Step 2: Convert to fraction form
    74,091.51/102,279.11 = 47,269.17/x
  3. Step 3: Cross multiply
    74,091.51x = 102,279.11 × 47,269.17
  4. Step 4: Simplify right side
    74,091.51x = 4,834,648,401.69
  5. Step 5: Solve for x
    x = 4,834,648,401.69/74,091.51
  6. Step 6: Final answer
    x = 65,252.39

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1.5x scale

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.