Home / 98,528.41-147,813.36-31,963.36

Finding the Fourth Proportional to 98,528.41, 147,813.36 and 31,963.36

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Solution

The fourth proportional to 98,528.41, 147,813.36 and 31,963.36 is: 47,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,528.41 : 147,813.36 = 31,963.36 : x
  2. Step 2: Convert to fraction form
    98,528.41/147,813.36 = 31,963.36/x
  3. Step 3: Cross multiply
    98,528.41x = 147,813.36 × 31,963.36
  4. Step 4: Simplify right side
    98,528.41x = 4,724,611,638.49
  5. Step 5: Solve for x
    x = 4,724,611,638.49/98,528.41
  6. Step 6: Final answer
    x = 47,951.77

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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.