Home / 70,156.48-105,276.23-25,814.37

Finding the Fourth Proportional to 70,156.48, 105,276.23 and 25,814.37

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Solution

The fourth proportional to 70,156.48, 105,276.23 and 25,814.37 is: 38,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,156.48 : 105,276.23 = 25,814.37 : x
  2. Step 2: Convert to fraction form
    70,156.48/105,276.23 = 25,814.37/x
  3. Step 3: Cross multiply
    70,156.48x = 105,276.23 × 25,814.37
  4. Step 4: Simplify right side
    70,156.48x = 2,717,639,354.77
  5. Step 5: Solve for x
    x = 2,717,639,354.77/70,156.48
  6. Step 6: Final answer
    x = 38,736.83

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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.