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Finding the Fourth Proportional to 93,840.41, 129,494.75 and 51,390.74

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Solution

The fourth proportional to 93,840.41, 129,494.75 and 51,390.74 is: 70,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,840.41 : 129,494.75 = 51,390.74 : x
  2. Step 2: Convert to fraction form
    93,840.41/129,494.75 = 51,390.74/x
  3. Step 3: Cross multiply
    93,840.41x = 129,494.75 × 51,390.74
  4. Step 4: Simplify right side
    93,840.41x = 6,654,830,124.19
  5. Step 5: Solve for x
    x = 6,654,830,124.19/93,840.41
  6. Step 6: Final answer
    x = 70,916.47

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