Home / 47,186.22-70,779.87-12,124.92

Finding the Fourth Proportional to 47,186.22, 70,779.87 and 12,124.92

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Solution

The fourth proportional to 47,186.22, 70,779.87 and 12,124.92 is: 18,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,186.22 : 70,779.87 = 12,124.92 : x
  2. Step 2: Convert to fraction form
    47,186.22/70,779.87 = 12,124.92/x
  3. Step 3: Cross multiply
    47,186.22x = 70,779.87 × 12,124.92
  4. Step 4: Simplify right side
    47,186.22x = 858,200,261.36
  5. Step 5: Solve for x
    x = 858,200,261.36/47,186.22
  6. Step 6: Final answer
    x = 18,187.52

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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.