Home / 56,906.04-85,218.66-42,445.80

Finding the Fourth Proportional to 56,906.04, 85,218.66 and 42,445.80

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Solution

The fourth proportional to 56,906.04, 85,218.66 and 42,445.80 is: 63,563.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,906.04 : 85,218.66 = 42,445.80 : x
  2. Step 2: Convert to fraction form
    56,906.04/85,218.66 = 42,445.80/x
  3. Step 3: Cross multiply
    56,906.04x = 85,218.66 × 42,445.80
  4. Step 4: Simplify right side
    56,906.04x = 3,617,174,198.63
  5. Step 5: Solve for x
    x = 3,617,174,198.63/56,906.04
  6. Step 6: Final answer
    x = 63,563.98

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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.