Home / 56,669.20-85,003.80-46,646.80

Finding the Fourth Proportional to 56,669.20, 85,003.80 and 46,646.80

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Solution

The fourth proportional to 56,669.20, 85,003.80 and 46,646.80 is: 69,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,669.20 : 85,003.80 = 46,646.80 : x
  2. Step 2: Convert to fraction form
    56,669.20/85,003.80 = 46,646.80/x
  3. Step 3: Cross multiply
    56,669.20x = 85,003.80 × 46,646.80
  4. Step 4: Simplify right side
    56,669.20x = 3,965,155,257.84
  5. Step 5: Solve for x
    x = 3,965,155,257.84/56,669.20
  6. Step 6: Final answer
    x = 69,970.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.