Home / 57,730.48-86,530.95-37,778.36

Finding the Fourth Proportional to 57,730.48, 86,530.95 and 37,778.36

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Solution

The fourth proportional to 57,730.48, 86,530.95 and 37,778.36 is: 56,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,730.48 : 86,530.95 = 37,778.36 : x
  2. Step 2: Convert to fraction form
    57,730.48/86,530.95 = 37,778.36/x
  3. Step 3: Cross multiply
    57,730.48x = 86,530.95 × 37,778.36
  4. Step 4: Simplify right side
    57,730.48x = 3,268,997,380.24
  5. Step 5: Solve for x
    x = 3,268,997,380.24/57,730.48
  6. Step 6: Final answer
    x = 56,625.16

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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.