Home / 86,485.48-129,747.01-26,514.18

Finding the Fourth Proportional to 86,485.48, 129,747.01 and 26,514.18

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Solution

The fourth proportional to 86,485.48, 129,747.01 and 26,514.18 is: 39,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,485.48 : 129,747.01 = 26,514.18 : x
  2. Step 2: Convert to fraction form
    86,485.48/129,747.01 = 26,514.18/x
  3. Step 3: Cross multiply
    86,485.48x = 129,747.01 × 26,514.18
  4. Step 4: Simplify right side
    86,485.48x = 3,440,135,577.60
  5. Step 5: Solve for x
    x = 3,440,135,577.60/86,485.48
  6. Step 6: Final answer
    x = 39,777.03

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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.