Home / 105,827.28-146,043.48-58,085.08

Finding the Fourth Proportional to 105,827.28, 146,043.48 and 58,085.08

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Solution

The fourth proportional to 105,827.28, 146,043.48 and 58,085.08 is: 80,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,827.28 : 146,043.48 = 58,085.08 : x
  2. Step 2: Convert to fraction form
    105,827.28/146,043.48 = 58,085.08/x
  3. Step 3: Cross multiply
    105,827.28x = 146,043.48 × 58,085.08
  4. Step 4: Simplify right side
    105,827.28x = 8,482,947,219.28
  5. Step 5: Solve for x
    x = 8,482,947,219.28/105,827.28
  6. Step 6: Final answer
    x = 80,158.42

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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.