Home / 101,264.84-139,743.78-58,823.72

Finding the Fourth Proportional to 101,264.84, 139,743.78 and 58,823.72

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Solution

The fourth proportional to 101,264.84, 139,743.78 and 58,823.72 is: 81,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,264.84 : 139,743.78 = 58,823.72 : x
  2. Step 2: Convert to fraction form
    101,264.84/139,743.78 = 58,823.72/x
  3. Step 3: Cross multiply
    101,264.84x = 139,743.78 × 58,823.72
  4. Step 4: Simplify right side
    101,264.84x = 8,220,248,986.46
  5. Step 5: Solve for x
    x = 8,220,248,986.46/101,264.84
  6. Step 6: Final answer
    x = 81,175.75

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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.