Home / 124,039.36-171,187-73,068.12

Finding the Fourth Proportional to 124,039.36, 171,187 and 73,068.12

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Solution

The fourth proportional to 124,039.36, 171,187 and 73,068.12 is: 100,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,039.36 : 171,187 = 73,068.12 : x
  2. Step 2: Convert to fraction form
    124,039.36/171,187 = 73,068.12/x
  3. Step 3: Cross multiply
    124,039.36x = 171,187 × 73,068.12
  4. Step 4: Simplify right side
    124,039.36x = 12,508,312,258.44
  5. Step 5: Solve for x
    x = 12,508,312,258.44/124,039.36
  6. Step 6: Final answer
    x = 100,841.48

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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.