Home / 98,331.94-147,498.77-31,772.08

Finding the Fourth Proportional to 98,331.94, 147,498.77 and 31,772.08

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Solution

The fourth proportional to 98,331.94, 147,498.77 and 31,772.08 is: 47,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,331.94 : 147,498.77 = 31,772.08 : x
  2. Step 2: Convert to fraction form
    98,331.94/147,498.77 = 31,772.08/x
  3. Step 3: Cross multiply
    98,331.94x = 147,498.77 × 31,772.08
  4. Step 4: Simplify right side
    98,331.94x = 4,686,342,984.15
  5. Step 5: Solve for x
    x = 4,686,342,984.15/98,331.94
  6. Step 6: Final answer
    x = 47,658.40

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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.