Home / 64,139.64-96,225.68-26,688.48

Finding the Fourth Proportional to 64,139.64, 96,225.68 and 26,688.48

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Solution

The fourth proportional to 64,139.64, 96,225.68 and 26,688.48 is: 40,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,139.64 : 96,225.68 = 26,688.48 : x
  2. Step 2: Convert to fraction form
    64,139.64/96,225.68 = 26,688.48/x
  3. Step 3: Cross multiply
    64,139.64x = 96,225.68 × 26,688.48
  4. Step 4: Simplify right side
    64,139.64x = 2,568,117,136.17
  5. Step 5: Solve for x
    x = 2,568,117,136.17/64,139.64
  6. Step 6: Final answer
    x = 40,039.47

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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.