Home / 93,456.06-128,968.48-57,631.74

Finding the Fourth Proportional to 93,456.06, 128,968.48 and 57,631.74

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Solution

The fourth proportional to 93,456.06, 128,968.48 and 57,631.74 is: 79,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,456.06 : 128,968.48 = 57,631.74 : x
  2. Step 2: Convert to fraction form
    93,456.06/128,968.48 = 57,631.74/x
  3. Step 3: Cross multiply
    93,456.06x = 128,968.48 × 57,631.74
  4. Step 4: Simplify right side
    93,456.06x = 7,432,677,907.56
  5. Step 5: Solve for x
    x = 7,432,677,907.56/93,456.06
  6. Step 6: Final answer
    x = 79,531.26

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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.