Home / 70,423.19-105,638.63-17,833.13

Finding the Fourth Proportional to 70,423.19, 105,638.63 and 17,833.13

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Solution

The fourth proportional to 70,423.19, 105,638.63 and 17,833.13 is: 26,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,423.19 : 105,638.63 = 17,833.13 : x
  2. Step 2: Convert to fraction form
    70,423.19/105,638.63 = 17,833.13/x
  3. Step 3: Cross multiply
    70,423.19x = 105,638.63 × 17,833.13
  4. Step 4: Simplify right side
    70,423.19x = 1,883,867,157.72
  5. Step 5: Solve for x
    x = 1,883,867,157.72/70,423.19
  6. Step 6: Final answer
    x = 26,750.67

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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.