Home / 74,841.59-112,165.17-30,416.64

Finding the Fourth Proportional to 74,841.59, 112,165.17 and 30,416.64

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Solution

The fourth proportional to 74,841.59, 112,165.17 and 30,416.64 is: 45,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,841.59 : 112,165.17 = 30,416.64 : x
  2. Step 2: Convert to fraction form
    74,841.59/112,165.17 = 30,416.64/x
  3. Step 3: Cross multiply
    74,841.59x = 112,165.17 × 30,416.64
  4. Step 4: Simplify right side
    74,841.59x = 3,411,687,596.43
  5. Step 5: Solve for x
    x = 3,411,687,596.43/74,841.59
  6. Step 6: Final answer
    x = 45,585.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.