Home / 115,145.24-172,643.67-48,567.56

Finding the Fourth Proportional to 115,145.24, 172,643.67 and 48,567.56

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Solution

The fourth proportional to 115,145.24, 172,643.67 and 48,567.56 is: 72,820.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,145.24 : 172,643.67 = 48,567.56 : x
  2. Step 2: Convert to fraction form
    115,145.24/172,643.67 = 48,567.56/x
  3. Step 3: Cross multiply
    115,145.24x = 172,643.67 × 48,567.56
  4. Step 4: Simplify right side
    115,145.24x = 8,384,880,938.13
  5. Step 5: Solve for x
    x = 8,384,880,938.13/115,145.24
  6. Step 6: Final answer
    x = 72,820.04

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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.