Home / 64,588.40-89,175.49-57,761.24

Finding the Fourth Proportional to 64,588.40, 89,175.49 and 57,761.24

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Solution

The fourth proportional to 64,588.40, 89,175.49 and 57,761.24 is: 79,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,588.40 : 89,175.49 = 57,761.24 : x
  2. Step 2: Convert to fraction form
    64,588.40/89,175.49 = 57,761.24/x
  3. Step 3: Cross multiply
    64,588.40x = 89,175.49 × 57,761.24
  4. Step 4: Simplify right side
    64,588.40x = 5,150,886,880.01
  5. Step 5: Solve for x
    x = 5,150,886,880.01/64,588.40
  6. Step 6: Final answer
    x = 79,749.41

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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.