Home / 64,210.20-96,463.08-45,536.40

Finding the Fourth Proportional to 64,210.20, 96,463.08 and 45,536.40

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Solution

The fourth proportional to 64,210.20, 96,463.08 and 45,536.40 is: 68,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,210.20 : 96,463.08 = 45,536.40 : x
  2. Step 2: Convert to fraction form
    64,210.20/96,463.08 = 45,536.40/x
  3. Step 3: Cross multiply
    64,210.20x = 96,463.08 × 45,536.40
  4. Step 4: Simplify right side
    64,210.20x = 4,392,581,396.11
  5. Step 5: Solve for x
    x = 4,392,581,396.11/64,210.20
  6. Step 6: Final answer
    x = 68,409.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.