Home / 70,126.17-105,189.25-17,535.66

Finding the Fourth Proportional to 70,126.17, 105,189.25 and 17,535.66

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Solution

The fourth proportional to 70,126.17, 105,189.25 and 17,535.66 is: 26,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,126.17 : 105,189.25 = 17,535.66 : x
  2. Step 2: Convert to fraction form
    70,126.17/105,189.25 = 17,535.66/x
  3. Step 3: Cross multiply
    70,126.17x = 105,189.25 × 17,535.66
  4. Step 4: Simplify right side
    70,126.17x = 1,844,562,923.66
  5. Step 5: Solve for x
    x = 1,844,562,923.66/70,126.17
  6. Step 6: Final answer
    x = 26,303.49

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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.