Home / 86,265.35-129,399.74-23,085.37

Finding the Fourth Proportional to 86,265.35, 129,399.74 and 23,085.37

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Solution

The fourth proportional to 86,265.35, 129,399.74 and 23,085.37 is: 34,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,265.35 : 129,399.74 = 23,085.37 : x
  2. Step 2: Convert to fraction form
    86,265.35/129,399.74 = 23,085.37/x
  3. Step 3: Cross multiply
    86,265.35x = 129,399.74 × 23,085.37
  4. Step 4: Simplify right side
    86,265.35x = 2,987,240,875.80
  5. Step 5: Solve for x
    x = 2,987,240,875.80/86,265.35
  6. Step 6: Final answer
    x = 34,628.52

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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.