Home / 47,111.12-70,666.52-12,050.72

Finding the Fourth Proportional to 47,111.12, 70,666.52 and 12,050.72

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Solution

The fourth proportional to 47,111.12, 70,666.52 and 12,050.72 is: 18,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,111.12 : 70,666.52 = 12,050.72 : x
  2. Step 2: Convert to fraction form
    47,111.12/70,666.52 = 12,050.72/x
  3. Step 3: Cross multiply
    47,111.12x = 70,666.52 × 12,050.72
  4. Step 4: Simplify right side
    47,111.12x = 851,582,445.89
  5. Step 5: Solve for x
    x = 851,582,445.89/47,111.12
  6. Step 6: Final answer
    x = 18,076.04

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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.