Home / 74,066.09-102,104.88-52,808.45

Finding the Fourth Proportional to 74,066.09, 102,104.88 and 52,808.45

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Solution

The fourth proportional to 74,066.09, 102,104.88 and 52,808.45 is: 72,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,066.09 : 102,104.88 = 52,808.45 : x
  2. Step 2: Convert to fraction form
    74,066.09/102,104.88 = 52,808.45/x
  3. Step 3: Cross multiply
    74,066.09x = 102,104.88 × 52,808.45
  4. Step 4: Simplify right side
    74,066.09x = 5,392,000,450.24
  5. Step 5: Solve for x
    x = 5,392,000,450.24/74,066.09
  6. Step 6: Final answer
    x = 72,799.85

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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.