Home / 74,095.30-102,250.71-40,103.10

Finding the Fourth Proportional to 74,095.30, 102,250.71 and 40,103.10

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Solution

The fourth proportional to 74,095.30, 102,250.71 and 40,103.10 is: 55,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,095.30 : 102,250.71 = 40,103.10 : x
  2. Step 2: Convert to fraction form
    74,095.30/102,250.71 = 40,103.10/x
  3. Step 3: Cross multiply
    74,095.30x = 102,250.71 × 40,103.10
  4. Step 4: Simplify right side
    74,095.30x = 4,100,570,448.20
  5. Step 5: Solve for x
    x = 4,100,570,448.20/74,095.30
  6. Step 6: Final answer
    x = 55,341.84

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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.