Home / 98,730.18-147,961.04-41,756.72

Finding the Fourth Proportional to 98,730.18, 147,961.04 and 41,756.72

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Solution

The fourth proportional to 98,730.18, 147,961.04 and 41,756.72 is: 62,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,730.18 : 147,961.04 = 41,756.72 : x
  2. Step 2: Convert to fraction form
    98,730.18/147,961.04 = 41,756.72/x
  3. Step 3: Cross multiply
    98,730.18x = 147,961.04 × 41,756.72
  4. Step 4: Simplify right side
    98,730.18x = 6,178,367,718.19
  5. Step 5: Solve for x
    x = 6,178,367,718.19/98,730.18
  6. Step 6: Final answer
    x = 62,578.31

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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.