Home / 56,121.04-77,443.80-33,485.68

Finding the Fourth Proportional to 56,121.04, 77,443.80 and 33,485.68

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Solution

The fourth proportional to 56,121.04, 77,443.80 and 33,485.68 is: 46,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,121.04 : 77,443.80 = 33,485.68 : x
  2. Step 2: Convert to fraction form
    56,121.04/77,443.80 = 33,485.68/x
  3. Step 3: Cross multiply
    56,121.04x = 77,443.80 × 33,485.68
  4. Step 4: Simplify right side
    56,121.04x = 2,593,258,304.78
  5. Step 5: Solve for x
    x = 2,593,258,304.78/56,121.04
  6. Step 6: Final answer
    x = 46,208.31

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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.