Home / 74,684.14-103,066.58-40,695.32

Finding the Fourth Proportional to 74,684.14, 103,066.58 and 40,695.32

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Solution

The fourth proportional to 74,684.14, 103,066.58 and 40,695.32 is: 56,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,684.14 : 103,066.58 = 40,695.32 : x
  2. Step 2: Convert to fraction form
    74,684.14/103,066.58 = 40,695.32/x
  3. Step 3: Cross multiply
    74,684.14x = 103,066.58 × 40,695.32
  4. Step 4: Simplify right side
    74,684.14x = 4,194,327,454.41
  5. Step 5: Solve for x
    x = 4,194,327,454.41/74,684.14
  6. Step 6: Final answer
    x = 56,160.89

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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.