Home / 86,468.07-119,352.59-50,669.72

Finding the Fourth Proportional to 86,468.07, 119,352.59 and 50,669.72

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Solution

The fourth proportional to 86,468.07, 119,352.59 and 50,669.72 is: 69,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,468.07 : 119,352.59 = 50,669.72 : x
  2. Step 2: Convert to fraction form
    86,468.07/119,352.59 = 50,669.72/x
  3. Step 3: Cross multiply
    86,468.07x = 119,352.59 × 50,669.72
  4. Step 4: Simplify right side
    86,468.07x = 6,047,561,466.46
  5. Step 5: Solve for x
    x = 6,047,561,466.46/86,468.07
  6. Step 6: Final answer
    x = 69,939.82

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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.