Home / 74,561.60-102,891.92-40,570.22

Finding the Fourth Proportional to 74,561.60, 102,891.92 and 40,570.22

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Solution

The fourth proportional to 74,561.60, 102,891.92 and 40,570.22 is: 55,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,561.60 : 102,891.92 = 40,570.22 : x
  2. Step 2: Convert to fraction form
    74,561.60/102,891.92 = 40,570.22/x
  3. Step 3: Cross multiply
    74,561.60x = 102,891.92 × 40,570.22
  4. Step 4: Simplify right side
    74,561.60x = 4,174,347,885.00
  5. Step 5: Solve for x
    x = 4,174,347,885.00/74,561.60
  6. Step 6: Final answer
    x = 55,985.22

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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.