Home / 70,126.18-105,190.20-23,379.07

Finding the Fourth Proportional to 70,126.18, 105,190.20 and 23,379.07

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Solution

The fourth proportional to 70,126.18, 105,190.20 and 23,379.07 is: 35,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,126.18 : 105,190.20 = 23,379.07 : x
  2. Step 2: Convert to fraction form
    70,126.18/105,190.20 = 23,379.07/x
  3. Step 3: Cross multiply
    70,126.18x = 105,190.20 × 23,379.07
  4. Step 4: Simplify right side
    70,126.18x = 2,459,249,049.11
  5. Step 5: Solve for x
    x = 2,459,249,049.11/70,126.18
  6. Step 6: Final answer
    x = 35,068.92

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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.