Home / 86,618.28-119,533.62-46,874.28

Finding the Fourth Proportional to 86,618.28, 119,533.62 and 46,874.28

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Solution

The fourth proportional to 86,618.28, 119,533.62 and 46,874.28 is: 64,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,618.28 : 119,533.62 = 46,874.28 : x
  2. Step 2: Convert to fraction form
    86,618.28/119,533.62 = 46,874.28/x
  3. Step 3: Cross multiply
    86,618.28x = 119,533.62 × 46,874.28
  4. Step 4: Simplify right side
    86,618.28x = 5,603,052,373.29
  5. Step 5: Solve for x
    x = 5,603,052,373.29/86,618.28
  6. Step 6: Final answer
    x = 64,686.72

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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.