Home / 56,586.48-78,090.58-31,093.22

Finding the Fourth Proportional to 56,586.48, 78,090.58 and 31,093.22

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Solution

The fourth proportional to 56,586.48, 78,090.58 and 31,093.22 is: 42,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,586.48 : 78,090.58 = 31,093.22 : x
  2. Step 2: Convert to fraction form
    56,586.48/78,090.58 = 31,093.22/x
  3. Step 3: Cross multiply
    56,586.48x = 78,090.58 × 31,093.22
  4. Step 4: Simplify right side
    56,586.48x = 2,428,087,583.87
  5. Step 5: Solve for x
    x = 2,428,087,583.87/56,586.48
  6. Step 6: Final answer
    x = 42,909.32

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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.