Home / 93,397.67-128,922.06-55,157.37

Finding the Fourth Proportional to 93,397.67, 128,922.06 and 55,157.37

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Solution

The fourth proportional to 93,397.67, 128,922.06 and 55,157.37 is: 76,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,397.67 : 128,922.06 = 55,157.37 : x
  2. Step 2: Convert to fraction form
    93,397.67/128,922.06 = 55,157.37/x
  3. Step 3: Cross multiply
    93,397.67x = 128,922.06 × 55,157.37
  4. Step 4: Simplify right side
    93,397.67x = 7,111,001,764.58
  5. Step 5: Solve for x
    x = 7,111,001,764.58/93,397.67
  6. Step 6: Final answer
    x = 76,136.82

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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.