Home / 75,997.41-104,881.85-42,005.17

Finding the Fourth Proportional to 75,997.41, 104,881.85 and 42,005.17

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Solution

The fourth proportional to 75,997.41, 104,881.85 and 42,005.17 is: 57,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,997.41 : 104,881.85 = 42,005.17 : x
  2. Step 2: Convert to fraction form
    75,997.41/104,881.85 = 42,005.17/x
  3. Step 3: Cross multiply
    75,997.41x = 104,881.85 × 42,005.17
  4. Step 4: Simplify right side
    75,997.41x = 4,405,579,939.16
  5. Step 5: Solve for x
    x = 4,405,579,939.16/75,997.41
  6. Step 6: Final answer
    x = 57,970.13

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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.