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Finding the Fourth Proportional to 93,293.89, 128,745.61 and 53,007.71

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Solution

The fourth proportional to 93,293.89, 128,745.61 and 53,007.71 is: 73,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,293.89 : 128,745.61 = 53,007.71 : x
  2. Step 2: Convert to fraction form
    93,293.89/128,745.61 = 53,007.71/x
  3. Step 3: Cross multiply
    93,293.89x = 128,745.61 × 53,007.71
  4. Step 4: Simplify right side
    93,293.89x = 6,824,509,182.41
  5. Step 5: Solve for x
    x = 6,824,509,182.41/93,293.89
  6. Step 6: Final answer
    x = 73,150.66

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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.