Home / 98,237.07-135,583.47-57,960.72

Finding the Fourth Proportional to 98,237.07, 135,583.47 and 57,960.72

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Solution

The fourth proportional to 98,237.07, 135,583.47 and 57,960.72 is: 79,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,237.07 : 135,583.47 = 57,960.72 : x
  2. Step 2: Convert to fraction form
    98,237.07/135,583.47 = 57,960.72/x
  3. Step 3: Cross multiply
    98,237.07x = 135,583.47 × 57,960.72
  4. Step 4: Simplify right side
    98,237.07x = 7,858,515,541.30
  5. Step 5: Solve for x
    x = 7,858,515,541.30/98,237.07
  6. Step 6: Final answer
    x = 79,995.42

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1.5x scale

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.