Home / 70,388.33-105,337.05-57,590.18

Finding the Fourth Proportional to 70,388.33, 105,337.05 and 57,590.18

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Solution

The fourth proportional to 70,388.33, 105,337.05 and 57,590.18 is: 86,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,388.33 : 105,337.05 = 57,590.18 : x
  2. Step 2: Convert to fraction form
    70,388.33/105,337.05 = 57,590.18/x
  3. Step 3: Cross multiply
    70,388.33x = 105,337.05 × 57,590.18
  4. Step 4: Simplify right side
    70,388.33x = 6,066,379,143.48
  5. Step 5: Solve for x
    x = 6,066,379,143.48/70,388.33
  6. Step 6: Final answer
    x = 86,184.44

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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.