Home / 65,101.08-89,790.21-47,255.16

Finding the Fourth Proportional to 65,101.08, 89,790.21 and 47,255.16

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Solution

The fourth proportional to 65,101.08, 89,790.21 and 47,255.16 is: 65,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,101.08 : 89,790.21 = 47,255.16 : x
  2. Step 2: Convert to fraction form
    65,101.08/89,790.21 = 47,255.16/x
  3. Step 3: Cross multiply
    65,101.08x = 89,790.21 × 47,255.16
  4. Step 4: Simplify right side
    65,101.08x = 4,243,050,739.98
  5. Step 5: Solve for x
    x = 4,243,050,739.98/65,101.08
  6. Step 6: Final answer
    x = 65,176.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.