Home / 56,289.33-77,689.71-36,171.36

Finding the Fourth Proportional to 56,289.33, 77,689.71 and 36,171.36

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Solution

The fourth proportional to 56,289.33, 77,689.71 and 36,171.36 is: 49,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,289.33 : 77,689.71 = 36,171.36 : x
  2. Step 2: Convert to fraction form
    56,289.33/77,689.71 = 36,171.36/x
  3. Step 3: Cross multiply
    56,289.33x = 77,689.71 × 36,171.36
  4. Step 4: Simplify right side
    56,289.33x = 2,810,142,468.71
  5. Step 5: Solve for x
    x = 2,810,142,468.71/56,289.33
  6. Step 6: Final answer
    x = 49,923.18

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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.