Home / 64,619.87-89,150.06-47,664.84

Finding the Fourth Proportional to 64,619.87, 89,150.06 and 47,664.84

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Solution

The fourth proportional to 64,619.87, 89,150.06 and 47,664.84 is: 65,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,619.87 : 89,150.06 = 47,664.84 : x
  2. Step 2: Convert to fraction form
    64,619.87/89,150.06 = 47,664.84/x
  3. Step 3: Cross multiply
    64,619.87x = 89,150.06 × 47,664.84
  4. Step 4: Simplify right side
    64,619.87x = 4,249,323,107.57
  5. Step 5: Solve for x
    x = 4,249,323,107.57/64,619.87
  6. Step 6: Final answer
    x = 65,758.77

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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.