Home / 47,160.56-70,740.88-12,100.22

Finding the Fourth Proportional to 47,160.56, 70,740.88 and 12,100.22

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Solution

The fourth proportional to 47,160.56, 70,740.88 and 12,100.22 is: 18,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,160.56 : 70,740.88 = 12,100.22 : x
  2. Step 2: Convert to fraction form
    47,160.56/70,740.88 = 12,100.22/x
  3. Step 3: Cross multiply
    47,160.56x = 70,740.88 × 12,100.22
  4. Step 4: Simplify right side
    47,160.56x = 855,980,210.99
  5. Step 5: Solve for x
    x = 855,980,210.99/47,160.56
  6. Step 6: Final answer
    x = 18,150.34

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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.