Home / 105,836.80-158,654-39,259.12

Finding the Fourth Proportional to 105,836.80, 158,654 and 39,259.12

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Solution

The fourth proportional to 105,836.80, 158,654 and 39,259.12 is: 58,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,836.80 : 158,654 = 39,259.12 : x
  2. Step 2: Convert to fraction form
    105,836.80/158,654 = 39,259.12/x
  3. Step 3: Cross multiply
    105,836.80x = 158,654 × 39,259.12
  4. Step 4: Simplify right side
    105,836.80x = 6,228,616,424.48
  5. Step 5: Solve for x
    x = 6,228,616,424.48/105,836.80
  6. Step 6: Final answer
    x = 58,851.14

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1.5x scale

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.