Home / 76,352.19-114,434.02-55,364.28

Finding the Fourth Proportional to 76,352.19, 114,434.02 and 55,364.28

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Solution

The fourth proportional to 76,352.19, 114,434.02 and 55,364.28 is: 82,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,352.19 : 114,434.02 = 55,364.28 : x
  2. Step 2: Convert to fraction form
    76,352.19/114,434.02 = 55,364.28/x
  3. Step 3: Cross multiply
    76,352.19x = 114,434.02 × 55,364.28
  4. Step 4: Simplify right side
    76,352.19x = 6,335,557,124.81
  5. Step 5: Solve for x
    x = 6,335,557,124.81/76,352.19
  6. Step 6: Final answer
    x = 82,978.07

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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.