Home / 56,562.75-78,059.03-31,412.25

Finding the Fourth Proportional to 56,562.75, 78,059.03 and 31,412.25

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Solution

The fourth proportional to 56,562.75, 78,059.03 and 31,412.25 is: 43,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,562.75 : 78,059.03 = 31,412.25 : x
  2. Step 2: Convert to fraction form
    56,562.75/78,059.03 = 31,412.25/x
  3. Step 3: Cross multiply
    56,562.75x = 78,059.03 × 31,412.25
  4. Step 4: Simplify right side
    56,562.75x = 2,452,009,608.06
  5. Step 5: Solve for x
    x = 2,452,009,608.06/56,562.75
  6. Step 6: Final answer
    x = 43,350.25

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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.