Home / 75,739.80-104,434.74-62,085

Finding the Fourth Proportional to 75,739.80, 104,434.74 and 62,085

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Solution

The fourth proportional to 75,739.80, 104,434.74 and 62,085 is: 85,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,739.80 : 104,434.74 = 62,085 : x
  2. Step 2: Convert to fraction form
    75,739.80/104,434.74 = 62,085/x
  3. Step 3: Cross multiply
    75,739.80x = 104,434.74 × 62,085
  4. Step 4: Simplify right side
    75,739.80x = 6,483,830,832.90
  5. Step 5: Solve for x
    x = 6,483,830,832.90/75,739.80
  6. Step 6: Final answer
    x = 85,606.65

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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.