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Finding the Fourth Proportional to 93,004.96, 128,374.32 and 55,304.32

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Solution

The fourth proportional to 93,004.96, 128,374.32 and 55,304.32 is: 76,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,004.96 : 128,374.32 = 55,304.32 : x
  2. Step 2: Convert to fraction form
    93,004.96/128,374.32 = 55,304.32/x
  3. Step 3: Cross multiply
    93,004.96x = 128,374.32 × 55,304.32
  4. Step 4: Simplify right side
    93,004.96x = 7,099,654,473.06
  5. Step 5: Solve for x
    x = 7,099,654,473.06/93,004.96
  6. Step 6: Final answer
    x = 76,336.30

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1.5x scale

Why These Related Problems?

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