Home / 98,346.30-147,467.61-42,877.50

Finding the Fourth Proportional to 98,346.30, 147,467.61 and 42,877.50

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Solution

The fourth proportional to 98,346.30, 147,467.61 and 42,877.50 is: 64,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,346.30 : 147,467.61 = 42,877.50 : x
  2. Step 2: Convert to fraction form
    98,346.30/147,467.61 = 42,877.50/x
  3. Step 3: Cross multiply
    98,346.30x = 147,467.61 × 42,877.50
  4. Step 4: Simplify right side
    98,346.30x = 6,323,042,447.78
  5. Step 5: Solve for x
    x = 6,323,042,447.78/98,346.30
  6. Step 6: Final answer
    x = 64,293.65

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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.