Home / 98,579.96-147,975.20-42,447.86

Finding the Fourth Proportional to 98,579.96, 147,975.20 and 42,447.86

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Solution

The fourth proportional to 98,579.96, 147,975.20 and 42,447.86 is: 63,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,579.96 : 147,975.20 = 42,447.86 : x
  2. Step 2: Convert to fraction form
    98,579.96/147,975.20 = 42,447.86/x
  3. Step 3: Cross multiply
    98,579.96x = 147,975.20 × 42,447.86
  4. Step 4: Simplify right side
    98,579.96x = 6,281,230,573.07
  5. Step 5: Solve for x
    x = 6,281,230,573.07/98,579.96
  6. Step 6: Final answer
    x = 63,717.11

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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.