Home / 55,625.40-76,762.08-34,399.08

Finding the Fourth Proportional to 55,625.40, 76,762.08 and 34,399.08

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Solution

The fourth proportional to 55,625.40, 76,762.08 and 34,399.08 is: 47,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.40 : 76,762.08 = 34,399.08 : x
  2. Step 2: Convert to fraction form
    55,625.40/76,762.08 = 34,399.08/x
  3. Step 3: Cross multiply
    55,625.40x = 76,762.08 × 34,399.08
  4. Step 4: Simplify right side
    55,625.40x = 2,640,544,930.89
  5. Step 5: Solve for x
    x = 2,640,544,930.89/55,625.40
  6. Step 6: Final answer
    x = 47,470.13

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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.