Home / 64,141.89-88,540.47-57,415.65

Finding the Fourth Proportional to 64,141.89, 88,540.47 and 57,415.65

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Solution

The fourth proportional to 64,141.89, 88,540.47 and 57,415.65 is: 79,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,141.89 : 88,540.47 = 57,415.65 : x
  2. Step 2: Convert to fraction form
    64,141.89/88,540.47 = 57,415.65/x
  3. Step 3: Cross multiply
    64,141.89x = 88,540.47 × 57,415.65
  4. Step 4: Simplify right side
    64,141.89x = 5,083,608,636.36
  5. Step 5: Solve for x
    x = 5,083,608,636.36/64,141.89
  6. Step 6: Final answer
    x = 79,255.67

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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.