Home / 70,453.04-105,678.02-17,145.26

Finding the Fourth Proportional to 70,453.04, 105,678.02 and 17,145.26

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Solution

The fourth proportional to 70,453.04, 105,678.02 and 17,145.26 is: 25,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,453.04 : 105,678.02 = 17,145.26 : x
  2. Step 2: Convert to fraction form
    70,453.04/105,678.02 = 17,145.26/x
  3. Step 3: Cross multiply
    70,453.04x = 105,678.02 × 17,145.26
  4. Step 4: Simplify right side
    70,453.04x = 1,811,877,129.19
  5. Step 5: Solve for x
    x = 1,811,877,129.19/70,453.04
  6. Step 6: Final answer
    x = 25,717.52

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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.