Home / 84,334.50-116,370.34-54,160.69

Finding the Fourth Proportional to 84,334.50, 116,370.34 and 54,160.69

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Solution

The fourth proportional to 84,334.50, 116,370.34 and 54,160.69 is: 74,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,334.50 : 116,370.34 = 54,160.69 : x
  2. Step 2: Convert to fraction form
    84,334.50/116,370.34 = 54,160.69/x
  3. Step 3: Cross multiply
    84,334.50x = 116,370.34 × 54,160.69
  4. Step 4: Simplify right side
    84,334.50x = 6,302,697,909.93
  5. Step 5: Solve for x
    x = 6,302,697,909.93/84,334.50
  6. Step 6: Final answer
    x = 74,734.51

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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.