Home / 53,045.51-73,198.45-31,238.35

Finding the Fourth Proportional to 53,045.51, 73,198.45 and 31,238.35

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Solution

The fourth proportional to 53,045.51, 73,198.45 and 31,238.35 is: 43,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.51 : 73,198.45 = 31,238.35 : x
  2. Step 2: Convert to fraction form
    53,045.51/73,198.45 = 31,238.35/x
  3. Step 3: Cross multiply
    53,045.51x = 73,198.45 × 31,238.35
  4. Step 4: Simplify right side
    53,045.51x = 2,286,598,278.37
  5. Step 5: Solve for x
    x = 2,286,598,278.37/53,045.51
  6. Step 6: Final answer
    x = 43,106.35

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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.