Home / 98,333.12-147,470.90-56,205.36

Finding the Fourth Proportional to 98,333.12, 147,470.90 and 56,205.36

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Solution

The fourth proportional to 98,333.12, 147,470.90 and 56,205.36 is: 84,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,333.12 : 147,470.90 = 56,205.36 : x
  2. Step 2: Convert to fraction form
    98,333.12/147,470.90 = 56,205.36/x
  3. Step 3: Cross multiply
    98,333.12x = 147,470.90 × 56,205.36
  4. Step 4: Simplify right side
    98,333.12x = 8,288,654,743.00
  5. Step 5: Solve for x
    x = 8,288,654,743.00/98,333.12
  6. Step 6: Final answer
    x = 84,291.58

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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.