Home / 77,411.35-106,837.55-45,583.21

Finding the Fourth Proportional to 77,411.35, 106,837.55 and 45,583.21

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Solution

The fourth proportional to 77,411.35, 106,837.55 and 45,583.21 is: 62,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,411.35 : 106,837.55 = 45,583.21 : x
  2. Step 2: Convert to fraction form
    77,411.35/106,837.55 = 45,583.21/x
  3. Step 3: Cross multiply
    77,411.35x = 106,837.55 × 45,583.21
  4. Step 4: Simplify right side
    77,411.35x = 4,869,998,477.54
  5. Step 5: Solve for x
    x = 4,869,998,477.54/77,411.35
  6. Step 6: Final answer
    x = 62,910.65

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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.