Home / 53,261.40-79,886.20-19,065.81

Finding the Fourth Proportional to 53,261.40, 79,886.20 and 19,065.81

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Solution

The fourth proportional to 53,261.40, 79,886.20 and 19,065.81 is: 28,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,261.40 : 79,886.20 = 19,065.81 : x
  2. Step 2: Convert to fraction form
    53,261.40/79,886.20 = 19,065.81/x
  3. Step 3: Cross multiply
    53,261.40x = 79,886.20 × 19,065.81
  4. Step 4: Simplify right side
    53,261.40x = 1,523,095,398.48
  5. Step 5: Solve for x
    x = 1,523,095,398.48/53,261.40
  6. Step 6: Final answer
    x = 28,596.61

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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.