Home / 113,787.62-157,015.04-62,799.42

Finding the Fourth Proportional to 113,787.62, 157,015.04 and 62,799.42

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Solution

The fourth proportional to 113,787.62, 157,015.04 and 62,799.42 is: 86,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,787.62 : 157,015.04 = 62,799.42 : x
  2. Step 2: Convert to fraction form
    113,787.62/157,015.04 = 62,799.42/x
  3. Step 3: Cross multiply
    113,787.62x = 157,015.04 × 62,799.42
  4. Step 4: Simplify right side
    113,787.62x = 9,860,453,129.28
  5. Step 5: Solve for x
    x = 9,860,453,129.28/113,787.62
  6. Step 6: Final answer
    x = 86,656.65

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1.5x scale

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.