Home / 86,726.49-119,688.60-48,493.47

Finding the Fourth Proportional to 86,726.49, 119,688.60 and 48,493.47

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Solution

The fourth proportional to 86,726.49, 119,688.60 and 48,493.47 is: 66,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,726.49 : 119,688.60 = 48,493.47 : x
  2. Step 2: Convert to fraction form
    86,726.49/119,688.60 = 48,493.47/x
  3. Step 3: Cross multiply
    86,726.49x = 119,688.60 × 48,493.47
  4. Step 4: Simplify right side
    86,726.49x = 5,804,115,533.44
  5. Step 5: Solve for x
    x = 5,804,115,533.44/86,726.49
  6. Step 6: Final answer
    x = 66,924.37

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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.