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Finding the Fourth Proportional to 93,158.75, 128,559.38 and 50,717.59

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Solution

The fourth proportional to 93,158.75, 128,559.38 and 50,717.59 is: 69,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,158.75 : 128,559.38 = 50,717.59 : x
  2. Step 2: Convert to fraction form
    93,158.75/128,559.38 = 50,717.59/x
  3. Step 3: Cross multiply
    93,158.75x = 128,559.38 × 50,717.59
  4. Step 4: Simplify right side
    93,158.75x = 6,520,221,925.49
  5. Step 5: Solve for x
    x = 6,520,221,925.49/93,158.75
  6. Step 6: Final answer
    x = 69,990.44

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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.