Home / 64,711.39-96,966.09-40,968.67

Finding the Fourth Proportional to 64,711.39, 96,966.09 and 40,968.67

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Solution

The fourth proportional to 64,711.39, 96,966.09 and 40,968.67 is: 61,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,711.39 : 96,966.09 = 40,968.67 : x
  2. Step 2: Convert to fraction form
    64,711.39/96,966.09 = 40,968.67/x
  3. Step 3: Cross multiply
    64,711.39x = 96,966.09 × 40,968.67
  4. Step 4: Simplify right side
    64,711.39x = 3,972,571,742.40
  5. Step 5: Solve for x
    x = 3,972,571,742.40/64,711.39
  6. Step 6: Final answer
    x = 61,389.07

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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.