Home / 74,363.46-102,622.34-40,372.26

Finding the Fourth Proportional to 74,363.46, 102,622.34 and 40,372.26

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Solution

The fourth proportional to 74,363.46, 102,622.34 and 40,372.26 is: 55,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,363.46 : 102,622.34 = 40,372.26 : x
  2. Step 2: Convert to fraction form
    74,363.46/102,622.34 = 40,372.26/x
  3. Step 3: Cross multiply
    74,363.46x = 102,622.34 × 40,372.26
  4. Step 4: Simplify right side
    74,363.46x = 4,143,095,792.29
  5. Step 5: Solve for x
    x = 4,143,095,792.29/74,363.46
  6. Step 6: Final answer
    x = 55,714.13

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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.