Home / 51,445.25-77,172.50-14,005.52

Finding the Fourth Proportional to 51,445.25, 77,172.50 and 14,005.52

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Solution

The fourth proportional to 51,445.25, 77,172.50 and 14,005.52 is: 21,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,445.25 : 77,172.50 = 14,005.52 : x
  2. Step 2: Convert to fraction form
    51,445.25/77,172.50 = 14,005.52/x
  3. Step 3: Cross multiply
    51,445.25x = 77,172.50 × 14,005.52
  4. Step 4: Simplify right side
    51,445.25x = 1,080,840,992.20
  5. Step 5: Solve for x
    x = 1,080,840,992.20/51,445.25
  6. Step 6: Final answer
    x = 21,009.54

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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.