Home / 102,554.20-153,665.70-58,048.60

Finding the Fourth Proportional to 102,554.20, 153,665.70 and 58,048.60

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Solution

The fourth proportional to 102,554.20, 153,665.70 and 58,048.60 is: 86,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,554.20 : 153,665.70 = 58,048.60 : x
  2. Step 2: Convert to fraction form
    102,554.20/153,665.70 = 58,048.60/x
  3. Step 3: Cross multiply
    102,554.20x = 153,665.70 × 58,048.60
  4. Step 4: Simplify right side
    102,554.20x = 8,920,078,753.02
  5. Step 5: Solve for x
    x = 8,920,078,753.02/102,554.20
  6. Step 6: Final answer
    x = 86,979.17

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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.