Home / 90,271.66-124,573.37-49,984.55

Finding the Fourth Proportional to 90,271.66, 124,573.37 and 49,984.55

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Solution

The fourth proportional to 90,271.66, 124,573.37 and 49,984.55 is: 68,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,271.66 : 124,573.37 = 49,984.55 : x
  2. Step 2: Convert to fraction form
    90,271.66/124,573.37 = 49,984.55/x
  3. Step 3: Cross multiply
    90,271.66x = 124,573.37 × 49,984.55
  4. Step 4: Simplify right side
    90,271.66x = 6,226,744,417.68
  5. Step 5: Solve for x
    x = 6,226,744,417.68/90,271.66
  6. Step 6: Final answer
    x = 68,977.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.