Home / 45,980.91-68,971.52-12,700.24

Finding the Fourth Proportional to 45,980.91, 68,971.52 and 12,700.24

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Solution

The fourth proportional to 45,980.91, 68,971.52 and 12,700.24 is: 19,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,980.91 : 68,971.52 = 12,700.24 : x
  2. Step 2: Convert to fraction form
    45,980.91/68,971.52 = 12,700.24/x
  3. Step 3: Cross multiply
    45,980.91x = 68,971.52 × 12,700.24
  4. Step 4: Simplify right side
    45,980.91x = 875,954,716.49
  5. Step 5: Solve for x
    x = 875,954,716.49/45,980.91
  6. Step 6: Final answer
    x = 19,050.40

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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.