Home / 64,888.06-97,331.48-20,514.81

Finding the Fourth Proportional to 64,888.06, 97,331.48 and 20,514.81

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Solution

The fourth proportional to 64,888.06, 97,331.48 and 20,514.81 is: 30,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.06 : 97,331.48 = 20,514.81 : x
  2. Step 2: Convert to fraction form
    64,888.06/97,331.48 = 20,514.81/x
  3. Step 3: Cross multiply
    64,888.06x = 97,331.48 × 20,514.81
  4. Step 4: Simplify right side
    64,888.06x = 1,996,736,716.64
  5. Step 5: Solve for x
    x = 1,996,736,716.64/64,888.06
  6. Step 6: Final answer
    x = 30,772.02

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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.