Home / 98,511.15-147,784.95-31,953.45

Finding the Fourth Proportional to 98,511.15, 147,784.95 and 31,953.45

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Solution

The fourth proportional to 98,511.15, 147,784.95 and 31,953.45 is: 47,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,511.15 : 147,784.95 = 31,953.45 : x
  2. Step 2: Convert to fraction form
    98,511.15/147,784.95 = 31,953.45/x
  3. Step 3: Cross multiply
    98,511.15x = 147,784.95 × 31,953.45
  4. Step 4: Simplify right side
    98,511.15x = 4,722,239,010.58
  5. Step 5: Solve for x
    x = 4,722,239,010.58/98,511.15
  6. Step 6: Final answer
    x = 47,936.09

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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.