Home / 74,936.03-103,410.51-40,943.79

Finding the Fourth Proportional to 74,936.03, 103,410.51 and 40,943.79

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Solution

The fourth proportional to 74,936.03, 103,410.51 and 40,943.79 is: 56,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.03 : 103,410.51 = 40,943.79 : x
  2. Step 2: Convert to fraction form
    74,936.03/103,410.51 = 40,943.79/x
  3. Step 3: Cross multiply
    74,936.03x = 103,410.51 × 40,943.79
  4. Step 4: Simplify right side
    74,936.03x = 4,234,018,205.23
  5. Step 5: Solve for x
    x = 4,234,018,205.23/74,936.03
  6. Step 6: Final answer
    x = 56,501.77

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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.