Home / 74,910.02-103,378.93-43,078.92

Finding the Fourth Proportional to 74,910.02, 103,378.93 and 43,078.92

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Solution

The fourth proportional to 74,910.02, 103,378.93 and 43,078.92 is: 59,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,910.02 : 103,378.93 = 43,078.92 : x
  2. Step 2: Convert to fraction form
    74,910.02/103,378.93 = 43,078.92/x
  3. Step 3: Cross multiply
    74,910.02x = 103,378.93 × 43,078.92
  4. Step 4: Simplify right side
    74,910.02x = 4,453,452,655.16
  5. Step 5: Solve for x
    x = 4,453,452,655.16/74,910.02
  6. Step 6: Final answer
    x = 59,450.69

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1.5x scale

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.