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Finding the Fourth Proportional to 93,282.75, 128,733.67 and 53,003.34

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Solution

The fourth proportional to 93,282.75, 128,733.67 and 53,003.34 is: 73,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,282.75 : 128,733.67 = 53,003.34 : x
  2. Step 2: Convert to fraction form
    93,282.75/128,733.67 = 53,003.34/x
  3. Step 3: Cross multiply
    93,282.75x = 128,733.67 × 53,003.34
  4. Step 4: Simplify right side
    93,282.75x = 6,823,314,546.71
  5. Step 5: Solve for x
    x = 6,823,314,546.71/93,282.75
  6. Step 6: Final answer
    x = 73,146.58

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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.