Home / 93,722.28-129,334.77-51,279.90

Finding the Fourth Proportional to 93,722.28, 129,334.77 and 51,279.90

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Solution

The fourth proportional to 93,722.28, 129,334.77 and 51,279.90 is: 70,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,722.28 : 129,334.77 = 51,279.90 : x
  2. Step 2: Convert to fraction form
    93,722.28/129,334.77 = 51,279.90/x
  3. Step 3: Cross multiply
    93,722.28x = 129,334.77 × 51,279.90
  4. Step 4: Simplify right side
    93,722.28x = 6,632,274,072.12
  5. Step 5: Solve for x
    x = 6,632,274,072.12/93,722.28
  6. Step 6: Final answer
    x = 70,765.18

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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.