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Finding the Fourth Proportional to 93,088.39, 128,460.05 and 50,647.09

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Solution

The fourth proportional to 93,088.39, 128,460.05 and 50,647.09 is: 69,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,088.39 : 128,460.05 = 50,647.09 : x
  2. Step 2: Convert to fraction form
    93,088.39/128,460.05 = 50,647.09/x
  3. Step 3: Cross multiply
    93,088.39x = 128,460.05 × 50,647.09
  4. Step 4: Simplify right side
    93,088.39x = 6,506,127,460.52
  5. Step 5: Solve for x
    x = 6,506,127,460.52/93,088.39
  6. Step 6: Final answer
    x = 69,891.93

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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.