Home / 47,176.02-70,764.74-12,114.90

Finding the Fourth Proportional to 47,176.02, 70,764.74 and 12,114.90

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Solution

The fourth proportional to 47,176.02, 70,764.74 and 12,114.90 is: 18,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,176.02 : 70,764.74 = 12,114.90 : x
  2. Step 2: Convert to fraction form
    47,176.02/70,764.74 = 12,114.90/x
  3. Step 3: Cross multiply
    47,176.02x = 70,764.74 × 12,114.90
  4. Step 4: Simplify right side
    47,176.02x = 857,307,748.63
  5. Step 5: Solve for x
    x = 857,307,748.63/47,176.02
  6. Step 6: Final answer
    x = 18,172.53

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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.