Home / 64,943.36-89,619.68-36,263.68

Finding the Fourth Proportional to 64,943.36, 89,619.68 and 36,263.68

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Solution

The fourth proportional to 64,943.36, 89,619.68 and 36,263.68 is: 50,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,943.36 : 89,619.68 = 36,263.68 : x
  2. Step 2: Convert to fraction form
    64,943.36/89,619.68 = 36,263.68/x
  3. Step 3: Cross multiply
    64,943.36x = 89,619.68 × 36,263.68
  4. Step 4: Simplify right side
    64,943.36x = 3,249,939,397.22
  5. Step 5: Solve for x
    x = 3,249,939,397.22/64,943.36
  6. Step 6: Final answer
    x = 50,042.67

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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.