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Finding the Fourth Proportional to 75,795.54, 104,607.54 and 63,026.76

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Solution

The fourth proportional to 75,795.54, 104,607.54 and 63,026.76 is: 86,984.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,795.54 : 104,607.54 = 63,026.76 : x
  2. Step 2: Convert to fraction form
    75,795.54/104,607.54 = 63,026.76/x
  3. Step 3: Cross multiply
    75,795.54x = 104,607.54 × 63,026.76
  4. Step 4: Simplify right side
    75,795.54x = 6,593,074,317.77
  5. Step 5: Solve for x
    x = 6,593,074,317.77/75,795.54
  6. Step 6: Final answer
    x = 86,984.99

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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.