Home / 105,830.89-146,046.50-58,084.36

Finding the Fourth Proportional to 105,830.89, 146,046.50 and 58,084.36

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Solution

The fourth proportional to 105,830.89, 146,046.50 and 58,084.36 is: 80,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,830.89 : 146,046.50 = 58,084.36 : x
  2. Step 2: Convert to fraction form
    105,830.89/146,046.50 = 58,084.36/x
  3. Step 3: Cross multiply
    105,830.89x = 146,046.50 × 58,084.36
  4. Step 4: Simplify right side
    105,830.89x = 8,483,017,482.74
  5. Step 5: Solve for x
    x = 8,483,017,482.74/105,830.89
  6. Step 6: Final answer
    x = 80,156.35

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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.