Home / 98,787.57-136,327.16-53,465.55

Finding the Fourth Proportional to 98,787.57, 136,327.16 and 53,465.55

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Solution

The fourth proportional to 98,787.57, 136,327.16 and 53,465.55 is: 73,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,787.57 : 136,327.16 = 53,465.55 : x
  2. Step 2: Convert to fraction form
    98,787.57/136,327.16 = 53,465.55/x
  3. Step 3: Cross multiply
    98,787.57x = 136,327.16 × 53,465.55
  4. Step 4: Simplify right side
    98,787.57x = 7,288,806,589.34
  5. Step 5: Solve for x
    x = 7,288,806,589.34/98,787.57
  6. Step 6: Final answer
    x = 73,782.63

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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.