Home / 64,680.19-89,266.86-36,391.34

Finding the Fourth Proportional to 64,680.19, 89,266.86 and 36,391.34

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Solution

The fourth proportional to 64,680.19, 89,266.86 and 36,391.34 is: 50,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,680.19 : 89,266.86 = 36,391.34 : x
  2. Step 2: Convert to fraction form
    64,680.19/89,266.86 = 36,391.34/x
  3. Step 3: Cross multiply
    64,680.19x = 89,266.86 × 36,391.34
  4. Step 4: Simplify right side
    64,680.19x = 3,248,540,876.16
  5. Step 5: Solve for x
    x = 3,248,540,876.16/64,680.19
  6. Step 6: Final answer
    x = 50,224.67

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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.