Home / 97,865.52-135,048.02-57,571.49

Finding the Fourth Proportional to 97,865.52, 135,048.02 and 57,571.49

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Solution

The fourth proportional to 97,865.52, 135,048.02 and 57,571.49 is: 79,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,865.52 : 135,048.02 = 57,571.49 : x
  2. Step 2: Convert to fraction form
    97,865.52/135,048.02 = 57,571.49/x
  3. Step 3: Cross multiply
    97,865.52x = 135,048.02 × 57,571.49
  4. Step 4: Simplify right side
    97,865.52x = 7,774,916,147.79
  5. Step 5: Solve for x
    x = 7,774,916,147.79/97,865.52
  6. Step 6: Final answer
    x = 79,444.90

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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.