Home / 45,345.03-68,017.46-12,065.10

Finding the Fourth Proportional to 45,345.03, 68,017.46 and 12,065.10

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Solution

The fourth proportional to 45,345.03, 68,017.46 and 12,065.10 is: 18,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,345.03 : 68,017.46 = 12,065.10 : x
  2. Step 2: Convert to fraction form
    45,345.03/68,017.46 = 12,065.10/x
  3. Step 3: Cross multiply
    45,345.03x = 68,017.46 × 12,065.10
  4. Step 4: Simplify right side
    45,345.03x = 820,637,574.75
  5. Step 5: Solve for x
    x = 820,637,574.75/45,345.03
  6. Step 6: Final answer
    x = 18,097.63

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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.