Home / 77,787.33-116,680.23-35,655.45

Finding the Fourth Proportional to 77,787.33, 116,680.23 and 35,655.45

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Solution

The fourth proportional to 77,787.33, 116,680.23 and 35,655.45 is: 53,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,787.33 : 116,680.23 = 35,655.45 : x
  2. Step 2: Convert to fraction form
    77,787.33/116,680.23 = 35,655.45/x
  3. Step 3: Cross multiply
    77,787.33x = 116,680.23 × 35,655.45
  4. Step 4: Simplify right side
    77,787.33x = 4,160,286,106.75
  5. Step 5: Solve for x
    x = 4,160,286,106.75/77,787.33
  6. Step 6: Final answer
    x = 53,482.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.