Home / 52,168.70-78,233.40-18,880.53

Finding the Fourth Proportional to 52,168.70, 78,233.40 and 18,880.53

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Solution

The fourth proportional to 52,168.70, 78,233.40 and 18,880.53 is: 28,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,168.70 : 78,233.40 = 18,880.53 : x
  2. Step 2: Convert to fraction form
    52,168.70/78,233.40 = 18,880.53/x
  3. Step 3: Cross multiply
    52,168.70x = 78,233.40 × 18,880.53
  4. Step 4: Simplify right side
    52,168.70x = 1,477,088,055.70
  5. Step 5: Solve for x
    x = 1,477,088,055.70/52,168.70
  6. Step 6: Final answer
    x = 28,313.69

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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.