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Finding the Fourth Proportional to 75,066, 112,599 and 28,307.94

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Solution

The fourth proportional to 75,066, 112,599 and 28,307.94 is: 42,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,066 : 112,599 = 28,307.94 : x
  2. Step 2: Convert to fraction form
    75,066/112,599 = 28,307.94/x
  3. Step 3: Cross multiply
    75,066x = 112,599 × 28,307.94
  4. Step 4: Simplify right side
    75,066x = 3,187,445,736.06
  5. Step 5: Solve for x
    x = 3,187,445,736.06/75,066
  6. Step 6: Final answer
    x = 42,461.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.