Home / 64,510.08-89,023.92-36,224.88

Finding the Fourth Proportional to 64,510.08, 89,023.92 and 36,224.88

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Solution

The fourth proportional to 64,510.08, 89,023.92 and 36,224.88 is: 49,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,510.08 : 89,023.92 = 36,224.88 : x
  2. Step 2: Convert to fraction form
    64,510.08/89,023.92 = 36,224.88/x
  3. Step 3: Cross multiply
    64,510.08x = 89,023.92 × 36,224.88
  4. Step 4: Simplify right side
    64,510.08x = 3,224,880,819.13
  5. Step 5: Solve for x
    x = 3,224,880,819.13/64,510.08
  6. Step 6: Final answer
    x = 49,990.34

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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.