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Finding the Fourth Proportional to 93,200.72, 128,620.63 and 52,918.23

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Solution

The fourth proportional to 93,200.72, 128,620.63 and 52,918.23 is: 73,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,200.72 : 128,620.63 = 52,918.23 : x
  2. Step 2: Convert to fraction form
    93,200.72/128,620.63 = 52,918.23/x
  3. Step 3: Cross multiply
    93,200.72x = 128,620.63 × 52,918.23
  4. Step 4: Simplify right side
    93,200.72x = 6,806,376,081.08
  5. Step 5: Solve for x
    x = 6,806,376,081.08/93,200.72
  6. Step 6: Final answer
    x = 73,029.22

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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.