Home / 70,106.04-105,159.33-17,515.58

Finding the Fourth Proportional to 70,106.04, 105,159.33 and 17,515.58

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Solution

The fourth proportional to 70,106.04, 105,159.33 and 17,515.58 is: 26,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,106.04 : 105,159.33 = 17,515.58 : x
  2. Step 2: Convert to fraction form
    70,106.04/105,159.33 = 17,515.58/x
  3. Step 3: Cross multiply
    70,106.04x = 105,159.33 × 17,515.58
  4. Step 4: Simplify right side
    70,106.04x = 1,841,926,131.56
  5. Step 5: Solve for x
    x = 1,841,926,131.56/70,106.04
  6. Step 6: Final answer
    x = 26,273.43

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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.