Home / 105,572.04-158,359.11-26,686.29

Finding the Fourth Proportional to 105,572.04, 158,359.11 and 26,686.29

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Solution

The fourth proportional to 105,572.04, 158,359.11 and 26,686.29 is: 40,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,572.04 : 158,359.11 = 26,686.29 : x
  2. Step 2: Convert to fraction form
    105,572.04/158,359.11 = 26,686.29/x
  3. Step 3: Cross multiply
    105,572.04x = 158,359.11 × 26,686.29
  4. Step 4: Simplify right side
    105,572.04x = 4,226,017,133.60
  5. Step 5: Solve for x
    x = 4,226,017,133.60/105,572.04
  6. Step 6: Final answer
    x = 40,029.70

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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.