Home / 55,159.07-82,720.44-17,710.23

Finding the Fourth Proportional to 55,159.07, 82,720.44 and 17,710.23

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Solution

The fourth proportional to 55,159.07, 82,720.44 and 17,710.23 is: 26,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,159.07 : 82,720.44 = 17,710.23 : x
  2. Step 2: Convert to fraction form
    55,159.07/82,720.44 = 17,710.23/x
  3. Step 3: Cross multiply
    55,159.07x = 82,720.44 × 17,710.23
  4. Step 4: Simplify right side
    55,159.07x = 1,464,998,018.10
  5. Step 5: Solve for x
    x = 1,464,998,018.10/55,159.07
  6. Step 6: Final answer
    x = 26,559.52

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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.