Home / 47,582.02-71,373.84-12,518.88

Finding the Fourth Proportional to 47,582.02, 71,373.84 and 12,518.88

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Solution

The fourth proportional to 47,582.02, 71,373.84 and 12,518.88 is: 18,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,582.02 : 71,373.84 = 12,518.88 : x
  2. Step 2: Convert to fraction form
    47,582.02/71,373.84 = 12,518.88/x
  3. Step 3: Cross multiply
    47,582.02x = 71,373.84 × 12,518.88
  4. Step 4: Simplify right side
    47,582.02x = 893,520,538.10
  5. Step 5: Solve for x
    x = 893,520,538.10/47,582.02
  6. Step 6: Final answer
    x = 18,778.53

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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.