Home / 97,079.07-133,957.33-54,047.79

Finding the Fourth Proportional to 97,079.07, 133,957.33 and 54,047.79

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Solution

The fourth proportional to 97,079.07, 133,957.33 and 54,047.79 is: 74,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,079.07 : 133,957.33 = 54,047.79 : x
  2. Step 2: Convert to fraction form
    97,079.07/133,957.33 = 54,047.79/x
  3. Step 3: Cross multiply
    97,079.07x = 133,957.33 × 54,047.79
  4. Step 4: Simplify right side
    97,079.07x = 7,240,097,505.68
  5. Step 5: Solve for x
    x = 7,240,097,505.68/97,079.07
  6. Step 6: Final answer
    x = 74,579.38

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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.