Home / 52,097.35-78,146.02-12,654.19

Finding the Fourth Proportional to 52,097.35, 78,146.02 and 12,654.19

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Solution

The fourth proportional to 52,097.35, 78,146.02 and 12,654.19 is: 18,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,097.35 : 78,146.02 = 12,654.19 : x
  2. Step 2: Convert to fraction form
    52,097.35/78,146.02 = 12,654.19/x
  3. Step 3: Cross multiply
    52,097.35x = 78,146.02 × 12,654.19
  4. Step 4: Simplify right side
    52,097.35x = 988,874,821.12
  5. Step 5: Solve for x
    x = 988,874,821.12/52,097.35
  6. Step 6: Final answer
    x = 18,981.29

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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.