Home / 105,754.14-145,939.95-58,007.16

Finding the Fourth Proportional to 105,754.14, 145,939.95 and 58,007.16

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Solution

The fourth proportional to 105,754.14, 145,939.95 and 58,007.16 is: 80,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,754.14 : 145,939.95 = 58,007.16 : x
  2. Step 2: Convert to fraction form
    105,754.14/145,939.95 = 58,007.16/x
  3. Step 3: Cross multiply
    105,754.14x = 145,939.95 × 58,007.16
  4. Step 4: Simplify right side
    105,754.14x = 8,465,562,030.04
  5. Step 5: Solve for x
    x = 8,465,562,030.04/105,754.14
  6. Step 6: Final answer
    x = 80,049.46

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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.