Home / 46,856.61-64,690.25-28,975.59

Finding the Fourth Proportional to 46,856.61, 64,690.25 and 28,975.59

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Solution

The fourth proportional to 46,856.61, 64,690.25 and 28,975.59 is: 40,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,856.61 : 64,690.25 = 28,975.59 : x
  2. Step 2: Convert to fraction form
    46,856.61/64,690.25 = 28,975.59/x
  3. Step 3: Cross multiply
    46,856.61x = 64,690.25 × 28,975.59
  4. Step 4: Simplify right side
    46,856.61x = 1,874,438,016.12
  5. Step 5: Solve for x
    x = 1,874,438,016.12/46,856.61
  6. Step 6: Final answer
    x = 40,003.71

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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.