Home / 90,303.48-124,617.43-49,467.28

Finding the Fourth Proportional to 90,303.48, 124,617.43 and 49,467.28

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Solution

The fourth proportional to 90,303.48, 124,617.43 and 49,467.28 is: 68,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,303.48 : 124,617.43 = 49,467.28 : x
  2. Step 2: Convert to fraction form
    90,303.48/124,617.43 = 49,467.28/x
  3. Step 3: Cross multiply
    90,303.48x = 124,617.43 × 49,467.28
  4. Step 4: Simplify right side
    90,303.48x = 6,164,484,867.48
  5. Step 5: Solve for x
    x = 6,164,484,867.48/90,303.48
  6. Step 6: Final answer
    x = 68,264.09

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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.