Home / 55,820.20-83,924.70-47,266.60

Finding the Fourth Proportional to 55,820.20, 83,924.70 and 47,266.60

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Solution

The fourth proportional to 55,820.20, 83,924.70 and 47,266.60 is: 71,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,820.20 : 83,924.70 = 47,266.60 : x
  2. Step 2: Convert to fraction form
    55,820.20/83,924.70 = 47,266.60/x
  3. Step 3: Cross multiply
    55,820.20x = 83,924.70 × 47,266.60
  4. Step 4: Simplify right side
    55,820.20x = 3,966,835,225.02
  5. Step 5: Solve for x
    x = 3,966,835,225.02/55,820.20
  6. Step 6: Final answer
    x = 71,064.51

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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.