Home / 45,121.08-67,660.56-17,019.48

Finding the Fourth Proportional to 45,121.08, 67,660.56 and 17,019.48

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Solution

The fourth proportional to 45,121.08, 67,660.56 and 17,019.48 is: 25,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,121.08 : 67,660.56 = 17,019.48 : x
  2. Step 2: Convert to fraction form
    45,121.08/67,660.56 = 17,019.48/x
  3. Step 3: Cross multiply
    45,121.08x = 67,660.56 × 17,019.48
  4. Step 4: Simplify right side
    45,121.08x = 1,151,547,547.71
  5. Step 5: Solve for x
    x = 1,151,547,547.71/45,121.08
  6. Step 6: Final answer
    x = 25,521.28

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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.