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Finding the Fourth Proportional to 93,224.30, 128,650.37 and 52,938.90

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Solution

The fourth proportional to 93,224.30, 128,650.37 and 52,938.90 is: 73,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,224.30 : 128,650.37 = 52,938.90 : x
  2. Step 2: Convert to fraction form
    93,224.30/128,650.37 = 52,938.90/x
  3. Step 3: Cross multiply
    93,224.30x = 128,650.37 × 52,938.90
  4. Step 4: Simplify right side
    93,224.30x = 6,810,608,807.70
  5. Step 5: Solve for x
    x = 6,810,608,807.70/93,224.30
  6. Step 6: Final answer
    x = 73,056.16

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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.