Home / 64,176.72-88,588.20-57,450.24

Finding the Fourth Proportional to 64,176.72, 88,588.20 and 57,450.24

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Solution

The fourth proportional to 64,176.72, 88,588.20 and 57,450.24 is: 79,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,176.72 : 88,588.20 = 57,450.24 : x
  2. Step 2: Convert to fraction form
    64,176.72/88,588.20 = 57,450.24/x
  3. Step 3: Cross multiply
    64,176.72x = 88,588.20 × 57,450.24
  4. Step 4: Simplify right side
    64,176.72x = 5,089,413,351.17
  5. Step 5: Solve for x
    x = 5,089,413,351.17/64,176.72
  6. Step 6: Final answer
    x = 79,303.11

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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.