Home / 89,851.54-123,994.77-49,567.81

Finding the Fourth Proportional to 89,851.54, 123,994.77 and 49,567.81

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Solution

The fourth proportional to 89,851.54, 123,994.77 and 49,567.81 is: 68,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851.54 : 123,994.77 = 49,567.81 : x
  2. Step 2: Convert to fraction form
    89,851.54/123,994.77 = 49,567.81/x
  3. Step 3: Cross multiply
    89,851.54x = 123,994.77 × 49,567.81
  4. Step 4: Simplify right side
    89,851.54x = 6,146,148,580.38
  5. Step 5: Solve for x
    x = 6,146,148,580.38/89,851.54
  6. Step 6: Final answer
    x = 68,403.38

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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.