Home / 74,986.06-103,485.30-43,154.26

Finding the Fourth Proportional to 74,986.06, 103,485.30 and 43,154.26

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Solution

The fourth proportional to 74,986.06, 103,485.30 and 43,154.26 is: 59,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,986.06 : 103,485.30 = 43,154.26 : x
  2. Step 2: Convert to fraction form
    74,986.06/103,485.30 = 43,154.26/x
  3. Step 3: Cross multiply
    74,986.06x = 103,485.30 × 43,154.26
  4. Step 4: Simplify right side
    74,986.06x = 4,465,831,542.38
  5. Step 5: Solve for x
    x = 4,465,831,542.38/74,986.06
  6. Step 6: Final answer
    x = 59,555.49

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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.