Home / 49,840.08-74,437.09-45,150.72

Finding the Fourth Proportional to 49,840.08, 74,437.09 and 45,150.72

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Solution

The fourth proportional to 49,840.08, 74,437.09 and 45,150.72 is: 67,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,840.08 : 74,437.09 = 45,150.72 : x
  2. Step 2: Convert to fraction form
    49,840.08/74,437.09 = 45,150.72/x
  3. Step 3: Cross multiply
    49,840.08x = 74,437.09 × 45,150.72
  4. Step 4: Simplify right side
    49,840.08x = 3,360,888,208.20
  5. Step 5: Solve for x
    x = 3,360,888,208.20/49,840.08
  6. Step 6: Final answer
    x = 67,433.44

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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.