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Finding the Fourth Proportional to 97,771.66, 134,924.89 and 53,059.66

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Solution

The fourth proportional to 97,771.66, 134,924.89 and 53,059.66 is: 73,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,771.66 : 134,924.89 = 53,059.66 : x
  2. Step 2: Convert to fraction form
    97,771.66/134,924.89 = 53,059.66/x
  3. Step 3: Cross multiply
    97,771.66x = 134,924.89 × 53,059.66
  4. Step 4: Simplify right side
    97,771.66x = 7,159,068,186.33
  5. Step 5: Solve for x
    x = 7,159,068,186.33/97,771.66
  6. Step 6: Final answer
    x = 73,222.33

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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.