Home / 86,582.40-129,868.74-23,401.59

Finding the Fourth Proportional to 86,582.40, 129,868.74 and 23,401.59

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Solution

The fourth proportional to 86,582.40, 129,868.74 and 23,401.59 is: 35,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,582.40 : 129,868.74 = 23,401.59 : x
  2. Step 2: Convert to fraction form
    86,582.40/129,868.74 = 23,401.59/x
  3. Step 3: Cross multiply
    86,582.40x = 129,868.74 × 23,401.59
  4. Step 4: Simplify right side
    86,582.40x = 3,039,135,007.30
  5. Step 5: Solve for x
    x = 3,039,135,007.30/86,582.40
  6. Step 6: Final answer
    x = 35,101.07

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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.