Home / 105,962.04-146,162.75-62,912.32

Finding the Fourth Proportional to 105,962.04, 146,162.75 and 62,912.32

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Solution

The fourth proportional to 105,962.04, 146,162.75 and 62,912.32 is: 86,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,962.04 : 146,162.75 = 62,912.32 : x
  2. Step 2: Convert to fraction form
    105,962.04/146,162.75 = 62,912.32/x
  3. Step 3: Cross multiply
    105,962.04x = 146,162.75 × 62,912.32
  4. Step 4: Simplify right side
    105,962.04x = 9,195,437,020.11
  5. Step 5: Solve for x
    x = 9,195,437,020.11/105,962.04
  6. Step 6: Final answer
    x = 86,780.48

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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.