Home / 65,826.21-98,509.68-53,841.45

Finding the Fourth Proportional to 65,826.21, 98,509.68 and 53,841.45

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Solution

The fourth proportional to 65,826.21, 98,509.68 and 53,841.45 is: 80,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,826.21 : 98,509.68 = 53,841.45 : x
  2. Step 2: Convert to fraction form
    65,826.21/98,509.68 = 53,841.45/x
  3. Step 3: Cross multiply
    65,826.21x = 98,509.68 × 53,841.45
  4. Step 4: Simplify right side
    65,826.21x = 5,303,904,010.24
  5. Step 5: Solve for x
    x = 5,303,904,010.24/65,826.21
  6. Step 6: Final answer
    x = 80,574.35

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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.