Home / 74,528.44-102,848.20-40,536.16

Finding the Fourth Proportional to 74,528.44, 102,848.20 and 40,536.16

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Solution

The fourth proportional to 74,528.44, 102,848.20 and 40,536.16 is: 55,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.44 : 102,848.20 = 40,536.16 : x
  2. Step 2: Convert to fraction form
    74,528.44/102,848.20 = 40,536.16/x
  3. Step 3: Cross multiply
    74,528.44x = 102,848.20 × 40,536.16
  4. Step 4: Simplify right side
    74,528.44x = 4,169,071,090.91
  5. Step 5: Solve for x
    x = 4,169,071,090.91/74,528.44
  6. Step 6: Final answer
    x = 55,939.33

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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.