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Finding the Fourth Proportional to 93,840.34, 129,499.69 and 51,400.39

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Solution

The fourth proportional to 93,840.34, 129,499.69 and 51,400.39 is: 70,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,840.34 : 129,499.69 = 51,400.39 : x
  2. Step 2: Convert to fraction form
    93,840.34/129,499.69 = 51,400.39/x
  3. Step 3: Cross multiply
    93,840.34x = 129,499.69 × 51,400.39
  4. Step 4: Simplify right side
    93,840.34x = 6,656,334,570.88
  5. Step 5: Solve for x
    x = 6,656,334,570.88/93,840.34
  6. Step 6: Final answer
    x = 70,932.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.