Home / 89,111.36-122,973.30-48,825.08

Finding the Fourth Proportional to 89,111.36, 122,973.30 and 48,825.08

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Solution

The fourth proportional to 89,111.36, 122,973.30 and 48,825.08 is: 67,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,111.36 : 122,973.30 = 48,825.08 : x
  2. Step 2: Convert to fraction form
    89,111.36/122,973.30 = 48,825.08/x
  3. Step 3: Cross multiply
    89,111.36x = 122,973.30 × 48,825.08
  4. Step 4: Simplify right side
    89,111.36x = 6,004,181,210.36
  5. Step 5: Solve for x
    x = 6,004,181,210.36/89,111.36
  6. Step 6: Final answer
    x = 67,378.40

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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.