Home / 96,804.32-145,132.36-54,731.90

Finding the Fourth Proportional to 96,804.32, 145,132.36 and 54,731.90

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Solution

The fourth proportional to 96,804.32, 145,132.36 and 54,731.90 is: 82,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,804.32 : 145,132.36 = 54,731.90 : x
  2. Step 2: Convert to fraction form
    96,804.32/145,132.36 = 54,731.90/x
  3. Step 3: Cross multiply
    96,804.32x = 145,132.36 × 54,731.90
  4. Step 4: Simplify right side
    96,804.32x = 7,943,370,040.29
  5. Step 5: Solve for x
    x = 7,943,370,040.29/96,804.32
  6. Step 6: Final answer
    x = 82,055.95

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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.