Home / 98,219.18-147,329.79-53,821.77

Finding the Fourth Proportional to 98,219.18, 147,329.79 and 53,821.77

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Solution

The fourth proportional to 98,219.18, 147,329.79 and 53,821.77 is: 80,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,219.18 : 147,329.79 = 53,821.77 : x
  2. Step 2: Convert to fraction form
    98,219.18/147,329.79 = 53,821.77/x
  3. Step 3: Cross multiply
    98,219.18x = 147,329.79 × 53,821.77
  4. Step 4: Simplify right side
    98,219.18x = 7,929,549,317.21
  5. Step 5: Solve for x
    x = 7,929,549,317.21/98,219.18
  6. Step 6: Final answer
    x = 80,733.20

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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.