Home / 74,841.84-112,165.55-30,416.89

Finding the Fourth Proportional to 74,841.84, 112,165.55 and 30,416.89

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Solution

The fourth proportional to 74,841.84, 112,165.55 and 30,416.89 is: 45,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,841.84 : 112,165.55 = 30,416.89 : x
  2. Step 2: Convert to fraction form
    74,841.84/112,165.55 = 30,416.89/x
  3. Step 3: Cross multiply
    74,841.84x = 112,165.55 × 30,416.89
  4. Step 4: Simplify right side
    74,841.84x = 3,411,727,196.14
  5. Step 5: Solve for x
    x = 3,411,727,196.14/74,841.84
  6. Step 6: Final answer
    x = 45,585.83

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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.