Home / 74,071.32-102,214.50-40,530.84

Finding the Fourth Proportional to 74,071.32, 102,214.50 and 40,530.84

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Solution

The fourth proportional to 74,071.32, 102,214.50 and 40,530.84 is: 55,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,071.32 : 102,214.50 = 40,530.84 : x
  2. Step 2: Convert to fraction form
    74,071.32/102,214.50 = 40,530.84/x
  3. Step 3: Cross multiply
    74,071.32x = 102,214.50 × 40,530.84
  4. Step 4: Simplify right side
    74,071.32x = 4,142,839,545.18
  5. Step 5: Solve for x
    x = 4,142,839,545.18/74,071.32
  6. Step 6: Final answer
    x = 55,930.41

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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.