Home / 53,198.06-72,881.05-51,203.84

Finding the Fourth Proportional to 53,198.06, 72,881.05 and 51,203.84

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Solution

The fourth proportional to 53,198.06, 72,881.05 and 51,203.84 is: 70,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,198.06 : 72,881.05 = 51,203.84 : x
  2. Step 2: Convert to fraction form
    53,198.06/72,881.05 = 51,203.84/x
  3. Step 3: Cross multiply
    53,198.06x = 72,881.05 × 51,203.84
  4. Step 4: Simplify right side
    53,198.06x = 3,731,789,623.23
  5. Step 5: Solve for x
    x = 3,731,789,623.23/53,198.06
  6. Step 6: Final answer
    x = 70,148.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.