Home / 53,813.07-80,719.65-25,726.50

Finding the Fourth Proportional to 53,813.07, 80,719.65 and 25,726.50

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Solution

The fourth proportional to 53,813.07, 80,719.65 and 25,726.50 is: 38,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.07 : 80,719.65 = 25,726.50 : x
  2. Step 2: Convert to fraction form
    53,813.07/80,719.65 = 25,726.50/x
  3. Step 3: Cross multiply
    53,813.07x = 80,719.65 × 25,726.50
  4. Step 4: Simplify right side
    53,813.07x = 2,076,634,075.73
  5. Step 5: Solve for x
    x = 2,076,634,075.73/53,813.07
  6. Step 6: Final answer
    x = 38,589.77

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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.