Home / 112,949.46-155,850.21-70,501.14

Finding the Fourth Proportional to 112,949.46, 155,850.21 and 70,501.14

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Solution

The fourth proportional to 112,949.46, 155,850.21 and 70,501.14 is: 97,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,949.46 : 155,850.21 = 70,501.14 : x
  2. Step 2: Convert to fraction form
    112,949.46/155,850.21 = 70,501.14/x
  3. Step 3: Cross multiply
    112,949.46x = 155,850.21 × 70,501.14
  4. Step 4: Simplify right side
    112,949.46x = 10,987,617,474.24
  5. Step 5: Solve for x
    x = 10,987,617,474.24/112,949.46
  6. Step 6: Final answer
    x = 97,279.06

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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.