Home / 74,088.96-102,245.16-40,554.96

Finding the Fourth Proportional to 74,088.96, 102,245.16 and 40,554.96

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Solution

The fourth proportional to 74,088.96, 102,245.16 and 40,554.96 is: 55,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,088.96 : 102,245.16 = 40,554.96 : x
  2. Step 2: Convert to fraction form
    74,088.96/102,245.16 = 40,554.96/x
  3. Step 3: Cross multiply
    74,088.96x = 102,245.16 × 40,554.96
  4. Step 4: Simplify right side
    74,088.96x = 4,146,548,373.99
  5. Step 5: Solve for x
    x = 4,146,548,373.99/74,088.96
  6. Step 6: Final answer
    x = 55,967.16

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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.