Home / 89,039.10-133,632.81-46,934.30

Finding the Fourth Proportional to 89,039.10, 133,632.81 and 46,934.30

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Solution

The fourth proportional to 89,039.10, 133,632.81 and 46,934.30 is: 70,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039.10 : 133,632.81 = 46,934.30 : x
  2. Step 2: Convert to fraction form
    89,039.10/133,632.81 = 46,934.30/x
  3. Step 3: Cross multiply
    89,039.10x = 133,632.81 × 46,934.30
  4. Step 4: Simplify right side
    89,039.10x = 6,271,962,394.38
  5. Step 5: Solve for x
    x = 6,271,962,394.38/89,039.10
  6. Step 6: Final answer
    x = 70,440.54

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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.