Home / 74,343.62-102,592.51-40,352.18

Finding the Fourth Proportional to 74,343.62, 102,592.51 and 40,352.18

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Solution

The fourth proportional to 74,343.62, 102,592.51 and 40,352.18 is: 55,685.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,343.62 : 102,592.51 = 40,352.18 : x
  2. Step 2: Convert to fraction form
    74,343.62/102,592.51 = 40,352.18/x
  3. Step 3: Cross multiply
    74,343.62x = 102,592.51 × 40,352.18
  4. Step 4: Simplify right side
    74,343.62x = 4,139,830,816.33
  5. Step 5: Solve for x
    x = 4,139,830,816.33/74,343.62
  6. Step 6: Final answer
    x = 55,685.08

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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.