Home / 47,088.05-70,626.78-13,808.39

Finding the Fourth Proportional to 47,088.05, 70,626.78 and 13,808.39

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Solution

The fourth proportional to 47,088.05, 70,626.78 and 13,808.39 is: 20,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,088.05 : 70,626.78 = 13,808.39 : x
  2. Step 2: Convert to fraction form
    47,088.05/70,626.78 = 13,808.39/x
  3. Step 3: Cross multiply
    47,088.05x = 70,626.78 × 13,808.39
  4. Step 4: Simplify right side
    47,088.05x = 975,241,769.55
  5. Step 5: Solve for x
    x = 975,241,769.55/47,088.05
  6. Step 6: Final answer
    x = 20,711.03

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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.