Home / 55,430.93-83,074.09-25,434.34

Finding the Fourth Proportional to 55,430.93, 83,074.09 and 25,434.34

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Solution

The fourth proportional to 55,430.93, 83,074.09 and 25,434.34 is: 38,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,430.93 : 83,074.09 = 25,434.34 : x
  2. Step 2: Convert to fraction form
    55,430.93/83,074.09 = 25,434.34/x
  3. Step 3: Cross multiply
    55,430.93x = 83,074.09 × 25,434.34
  4. Step 4: Simplify right side
    55,430.93x = 2,112,934,650.25
  5. Step 5: Solve for x
    x = 2,112,934,650.25/55,430.93
  6. Step 6: Final answer
    x = 38,118.33

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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.