Home / 64,860.36-97,290.81-18,113.64

Finding the Fourth Proportional to 64,860.36, 97,290.81 and 18,113.64

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Solution

The fourth proportional to 64,860.36, 97,290.81 and 18,113.64 is: 27,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,860.36 : 97,290.81 = 18,113.64 : x
  2. Step 2: Convert to fraction form
    64,860.36/97,290.81 = 18,113.64/x
  3. Step 3: Cross multiply
    64,860.36x = 97,290.81 × 18,113.64
  4. Step 4: Simplify right side
    64,860.36x = 1,762,290,707.65
  5. Step 5: Solve for x
    x = 1,762,290,707.65/64,860.36
  6. Step 6: Final answer
    x = 27,170.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.