Home / 105,870.24-146,085.12-58,125.60

Finding the Fourth Proportional to 105,870.24, 146,085.12 and 58,125.60

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Solution

The fourth proportional to 105,870.24, 146,085.12 and 58,125.60 is: 80,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,870.24 : 146,085.12 = 58,125.60 : x
  2. Step 2: Convert to fraction form
    105,870.24/146,085.12 = 58,125.60/x
  3. Step 3: Cross multiply
    105,870.24x = 146,085.12 × 58,125.60
  4. Step 4: Simplify right side
    105,870.24x = 8,491,285,251.07
  5. Step 5: Solve for x
    x = 8,491,285,251.07/105,870.24
  6. Step 6: Final answer
    x = 80,204.65

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1.5x scale

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.