Home / 99,787.16-137,707.58-58,952.63

Finding the Fourth Proportional to 99,787.16, 137,707.58 and 58,952.63

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Solution

The fourth proportional to 99,787.16, 137,707.58 and 58,952.63 is: 81,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,787.16 : 137,707.58 = 58,952.63 : x
  2. Step 2: Convert to fraction form
    99,787.16/137,707.58 = 58,952.63/x
  3. Step 3: Cross multiply
    99,787.16x = 137,707.58 × 58,952.63
  4. Step 4: Simplify right side
    99,787.16x = 8,118,223,028.63
  5. Step 5: Solve for x
    x = 8,118,223,028.63/99,787.16
  6. Step 6: Final answer
    x = 81,355.39

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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.