Home / 75,717.75-104,393.45-62,055.50

Finding the Fourth Proportional to 75,717.75, 104,393.45 and 62,055.50

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Solution

The fourth proportional to 75,717.75, 104,393.45 and 62,055.50 is: 85,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,717.75 : 104,393.45 = 62,055.50 : x
  2. Step 2: Convert to fraction form
    75,717.75/104,393.45 = 62,055.50/x
  3. Step 3: Cross multiply
    75,717.75x = 104,393.45 × 62,055.50
  4. Step 4: Simplify right side
    75,717.75x = 6,478,187,736.48
  5. Step 5: Solve for x
    x = 6,478,187,736.48/75,717.75
  6. Step 6: Final answer
    x = 85,557.06

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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.