Home / 105,572.29-158,359.49-26,686.54

Finding the Fourth Proportional to 105,572.29, 158,359.49 and 26,686.54

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Solution

The fourth proportional to 105,572.29, 158,359.49 and 26,686.54 is: 40,030.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,572.29 : 158,359.49 = 26,686.54 : x
  2. Step 2: Convert to fraction form
    105,572.29/158,359.49 = 26,686.54/x
  3. Step 3: Cross multiply
    105,572.29x = 158,359.49 × 26,686.54
  4. Step 4: Simplify right side
    105,572.29x = 4,226,066,864.26
  5. Step 5: Solve for x
    x = 4,226,066,864.26/105,572.29
  6. Step 6: Final answer
    x = 40,030.08

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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.