Home / 70,369.10-105,552.98-30,416.34

Finding the Fourth Proportional to 70,369.10, 105,552.98 and 30,416.34

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Solution

The fourth proportional to 70,369.10, 105,552.98 and 30,416.34 is: 45,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,369.10 : 105,552.98 = 30,416.34 : x
  2. Step 2: Convert to fraction form
    70,369.10/105,552.98 = 30,416.34/x
  3. Step 3: Cross multiply
    70,369.10x = 105,552.98 × 30,416.34
  4. Step 4: Simplify right side
    70,369.10x = 3,210,535,327.69
  5. Step 5: Solve for x
    x = 3,210,535,327.69/70,369.10
  6. Step 6: Final answer
    x = 45,624.22

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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.