Home / 51,239.08-76,343.46-48,374.28

Finding the Fourth Proportional to 51,239.08, 76,343.46 and 48,374.28

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Solution

The fourth proportional to 51,239.08, 76,343.46 and 48,374.28 is: 72,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.08 : 76,343.46 = 48,374.28 : x
  2. Step 2: Convert to fraction form
    51,239.08/76,343.46 = 48,374.28/x
  3. Step 3: Cross multiply
    51,239.08x = 76,343.46 × 48,374.28
  4. Step 4: Simplify right side
    51,239.08x = 3,693,059,910.21
  5. Step 5: Solve for x
    x = 3,693,059,910.21/51,239.08
  6. Step 6: Final answer
    x = 72,075.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.