Home / 71,199.36-98,247.60-39,363.12

Finding the Fourth Proportional to 71,199.36, 98,247.60 and 39,363.12

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Solution

The fourth proportional to 71,199.36, 98,247.60 and 39,363.12 is: 54,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,199.36 : 98,247.60 = 39,363.12 : x
  2. Step 2: Convert to fraction form
    71,199.36/98,247.60 = 39,363.12/x
  3. Step 3: Cross multiply
    71,199.36x = 98,247.60 × 39,363.12
  4. Step 4: Simplify right side
    71,199.36x = 3,867,332,068.51
  5. Step 5: Solve for x
    x = 3,867,332,068.51/71,199.36
  6. Step 6: Final answer
    x = 54,316.95

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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.