Home / 86,048.16-129,085.38-43,905.26

Finding the Fourth Proportional to 86,048.16, 129,085.38 and 43,905.26

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Solution

The fourth proportional to 86,048.16, 129,085.38 and 43,905.26 is: 65,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,048.16 : 129,085.38 = 43,905.26 : x
  2. Step 2: Convert to fraction form
    86,048.16/129,085.38 = 43,905.26/x
  3. Step 3: Cross multiply
    86,048.16x = 129,085.38 × 43,905.26
  4. Step 4: Simplify right side
    86,048.16x = 5,667,526,525.67
  5. Step 5: Solve for x
    x = 5,667,526,525.67/86,048.16
  6. Step 6: Final answer
    x = 65,864.59

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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.