Home / 64,340.34-96,403.81-45,527.12

Finding the Fourth Proportional to 64,340.34, 96,403.81 and 45,527.12

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Solution

The fourth proportional to 64,340.34, 96,403.81 and 45,527.12 is: 68,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,340.34 : 96,403.81 = 45,527.12 : x
  2. Step 2: Convert to fraction form
    64,340.34/96,403.81 = 45,527.12/x
  3. Step 3: Cross multiply
    64,340.34x = 96,403.81 × 45,527.12
  4. Step 4: Simplify right side
    64,340.34x = 4,388,987,826.33
  5. Step 5: Solve for x
    x = 4,388,987,826.33/64,340.34
  6. Step 6: Final answer
    x = 68,215.18

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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.