Home / 70,226.79-105,337.43-38,699.36

Finding the Fourth Proportional to 70,226.79, 105,337.43 and 38,699.36

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Solution

The fourth proportional to 70,226.79, 105,337.43 and 38,699.36 is: 58,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,226.79 : 105,337.43 = 38,699.36 : x
  2. Step 2: Convert to fraction form
    70,226.79/105,337.43 = 38,699.36/x
  3. Step 3: Cross multiply
    70,226.79x = 105,337.43 × 38,699.36
  4. Step 4: Simplify right side
    70,226.79x = 4,076,491,125.04
  5. Step 5: Solve for x
    x = 4,076,491,125.04/70,226.79
  6. Step 6: Final answer
    x = 58,047.52

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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.