Home / 86,210.16-118,946.76-50,408.96

Finding the Fourth Proportional to 86,210.16, 118,946.76 and 50,408.96

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Solution

The fourth proportional to 86,210.16, 118,946.76 and 50,408.96 is: 69,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,210.16 : 118,946.76 = 50,408.96 : x
  2. Step 2: Convert to fraction form
    86,210.16/118,946.76 = 50,408.96/x
  3. Step 3: Cross multiply
    86,210.16x = 118,946.76 × 50,408.96
  4. Step 4: Simplify right side
    86,210.16x = 5,995,982,466.97
  5. Step 5: Solve for x
    x = 5,995,982,466.97/86,210.16
  6. Step 6: Final answer
    x = 69,550.76

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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.