Home / 115,240.04-172,860.02-27,688.04

Finding the Fourth Proportional to 115,240.04, 172,860.02 and 27,688.04

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Solution

The fourth proportional to 115,240.04, 172,860.02 and 27,688.04 is: 41,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,240.04 : 172,860.02 = 27,688.04 : x
  2. Step 2: Convert to fraction form
    115,240.04/172,860.02 = 27,688.04/x
  3. Step 3: Cross multiply
    115,240.04x = 172,860.02 × 27,688.04
  4. Step 4: Simplify right side
    115,240.04x = 4,786,155,148.16
  5. Step 5: Solve for x
    x = 4,786,155,148.16/115,240.04
  6. Step 6: Final answer
    x = 41,532.05

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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.