Home / 63,154.89-87,153.57-34,860.38

Finding the Fourth Proportional to 63,154.89, 87,153.57 and 34,860.38

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Solution

The fourth proportional to 63,154.89, 87,153.57 and 34,860.38 is: 48,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154.89 : 87,153.57 = 34,860.38 : x
  2. Step 2: Convert to fraction form
    63,154.89/87,153.57 = 34,860.38/x
  3. Step 3: Cross multiply
    63,154.89x = 87,153.57 × 34,860.38
  4. Step 4: Simplify right side
    63,154.89x = 3,038,206,132.79
  5. Step 5: Solve for x
    x = 3,038,206,132.79/63,154.89
  6. Step 6: Final answer
    x = 48,107.22

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1.5x scale

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.