Home / 89,053.02-122,904.54-51,327.54

Finding the Fourth Proportional to 89,053.02, 122,904.54 and 51,327.54

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Solution

The fourth proportional to 89,053.02, 122,904.54 and 51,327.54 is: 70,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,053.02 : 122,904.54 = 51,327.54 : x
  2. Step 2: Convert to fraction form
    89,053.02/122,904.54 = 51,327.54/x
  3. Step 3: Cross multiply
    89,053.02x = 122,904.54 × 51,327.54
  4. Step 4: Simplify right side
    89,053.02x = 6,308,387,693.03
  5. Step 5: Solve for x
    x = 6,308,387,693.03/89,053.02
  6. Step 6: Final answer
    x = 70,838.56

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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.