Home / 86,283.34-129,416.50-27,117.43

Finding the Fourth Proportional to 86,283.34, 129,416.50 and 27,117.43

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Solution

The fourth proportional to 86,283.34, 129,416.50 and 27,117.43 is: 40,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,283.34 : 129,416.50 = 27,117.43 : x
  2. Step 2: Convert to fraction form
    86,283.34/129,416.50 = 27,117.43/x
  3. Step 3: Cross multiply
    86,283.34x = 129,416.50 × 27,117.43
  4. Step 4: Simplify right side
    86,283.34x = 3,509,442,879.60
  5. Step 5: Solve for x
    x = 3,509,442,879.60/86,283.34
  6. Step 6: Final answer
    x = 40,673.47

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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.