Home / 100,955.19-139,313.18-58,527.51

Finding the Fourth Proportional to 100,955.19, 139,313.18 and 58,527.51

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Solution

The fourth proportional to 100,955.19, 139,313.18 and 58,527.51 is: 80,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,955.19 : 139,313.18 = 58,527.51 : x
  2. Step 2: Convert to fraction form
    100,955.19/139,313.18 = 58,527.51/x
  3. Step 3: Cross multiply
    100,955.19x = 139,313.18 × 58,527.51
  4. Step 4: Simplify right side
    100,955.19x = 8,153,653,242.94
  5. Step 5: Solve for x
    x = 8,153,653,242.94/100,955.19
  6. Step 6: Final answer
    x = 80,765.07

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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.