Home / 89,918.52-124,086-49,632.24

Finding the Fourth Proportional to 89,918.52, 124,086 and 49,632.24

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Solution

The fourth proportional to 89,918.52, 124,086 and 49,632.24 is: 68,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,918.52 : 124,086 = 49,632.24 : x
  2. Step 2: Convert to fraction form
    89,918.52/124,086 = 49,632.24/x
  3. Step 3: Cross multiply
    89,918.52x = 124,086 × 49,632.24
  4. Step 4: Simplify right side
    89,918.52x = 6,158,666,132.64
  5. Step 5: Solve for x
    x = 6,158,666,132.64/89,918.52
  6. Step 6: Final answer
    x = 68,491.63

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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.