Home / 89,859.09-124,004.38-49,574.55

Finding the Fourth Proportional to 89,859.09, 124,004.38 and 49,574.55

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Solution

The fourth proportional to 89,859.09, 124,004.38 and 49,574.55 is: 68,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,859.09 : 124,004.38 = 49,574.55 : x
  2. Step 2: Convert to fraction form
    89,859.09/124,004.38 = 49,574.55/x
  3. Step 3: Cross multiply
    89,859.09x = 124,004.38 × 49,574.55
  4. Step 4: Simplify right side
    89,859.09x = 6,147,461,336.53
  5. Step 5: Solve for x
    x = 6,147,461,336.53/89,859.09
  6. Step 6: Final answer
    x = 68,412.24

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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.