Home / 86,422.20-119,317.68-70,544.40

Finding the Fourth Proportional to 86,422.20, 119,317.68 and 70,544.40

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Solution

The fourth proportional to 86,422.20, 119,317.68 and 70,544.40 is: 97,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,422.20 : 119,317.68 = 70,544.40 : x
  2. Step 2: Convert to fraction form
    86,422.20/119,317.68 = 70,544.40/x
  3. Step 3: Cross multiply
    86,422.20x = 119,317.68 × 70,544.40
  4. Step 4: Simplify right side
    86,422.20x = 8,417,194,144.99
  5. Step 5: Solve for x
    x = 8,417,194,144.99/86,422.20
  6. Step 6: Final answer
    x = 97,396.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.