Home / 64,888.09-97,323.72-20,519.32

Finding the Fourth Proportional to 64,888.09, 97,323.72 and 20,519.32

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Solution

The fourth proportional to 64,888.09, 97,323.72 and 20,519.32 is: 30,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.09 : 97,323.72 = 20,519.32 : x
  2. Step 2: Convert to fraction form
    64,888.09/97,323.72 = 20,519.32/x
  3. Step 3: Cross multiply
    64,888.09x = 97,323.72 × 20,519.32
  4. Step 4: Simplify right side
    64,888.09x = 1,997,016,554.27
  5. Step 5: Solve for x
    x = 1,997,016,554.27/64,888.09
  6. Step 6: Final answer
    x = 30,776.32

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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.