Home / 74,008.89-102,132.27-40,017.38

Finding the Fourth Proportional to 74,008.89, 102,132.27 and 40,017.38

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Solution

The fourth proportional to 74,008.89, 102,132.27 and 40,017.38 is: 55,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,008.89 : 102,132.27 = 40,017.38 : x
  2. Step 2: Convert to fraction form
    74,008.89/102,132.27 = 40,017.38/x
  3. Step 3: Cross multiply
    74,008.89x = 102,132.27 × 40,017.38
  4. Step 4: Simplify right side
    74,008.89x = 4,087,065,348.19
  5. Step 5: Solve for x
    x = 4,087,065,348.19/74,008.89
  6. Step 6: Final answer
    x = 55,223.98

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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.