Home / 55,661.40-83,491.56-14,108.40

Finding the Fourth Proportional to 55,661.40, 83,491.56 and 14,108.40

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Solution

The fourth proportional to 55,661.40, 83,491.56 and 14,108.40 is: 21,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,661.40 : 83,491.56 = 14,108.40 : x
  2. Step 2: Convert to fraction form
    55,661.40/83,491.56 = 14,108.40/x
  3. Step 3: Cross multiply
    55,661.40x = 83,491.56 × 14,108.40
  4. Step 4: Simplify right side
    55,661.40x = 1,177,932,325.10
  5. Step 5: Solve for x
    x = 1,177,932,325.10/55,661.40
  6. Step 6: Final answer
    x = 21,162.46

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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.