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Finding the Fourth Proportional to 93,335.68, 128,802.72 and 50,893.30

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Solution

The fourth proportional to 93,335.68, 128,802.72 and 50,893.30 is: 70,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,335.68 : 128,802.72 = 50,893.30 : x
  2. Step 2: Convert to fraction form
    93,335.68/128,802.72 = 50,893.30/x
  3. Step 3: Cross multiply
    93,335.68x = 128,802.72 × 50,893.30
  4. Step 4: Simplify right side
    93,335.68x = 6,555,195,469.78
  5. Step 5: Solve for x
    x = 6,555,195,469.78/93,335.68
  6. Step 6: Final answer
    x = 70,232.47

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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.