Home / 74,561.94-102,897.54-40,570.74

Finding the Fourth Proportional to 74,561.94, 102,897.54 and 40,570.74

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Solution

The fourth proportional to 74,561.94, 102,897.54 and 40,570.74 is: 55,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,561.94 : 102,897.54 = 40,570.74 : x
  2. Step 2: Convert to fraction form
    74,561.94/102,897.54 = 40,570.74/x
  3. Step 3: Cross multiply
    74,561.94x = 102,897.54 × 40,570.74
  4. Step 4: Simplify right side
    74,561.94x = 4,174,629,341.98
  5. Step 5: Solve for x
    x = 4,174,629,341.98/74,561.94
  6. Step 6: Final answer
    x = 55,988.74

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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.