Home / 77,787.90-116,653.23-27,854.46

Finding the Fourth Proportional to 77,787.90, 116,653.23 and 27,854.46

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Solution

The fourth proportional to 77,787.90, 116,653.23 and 27,854.46 is: 41,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,787.90 : 116,653.23 = 27,854.46 : x
  2. Step 2: Convert to fraction form
    77,787.90/116,653.23 = 27,854.46/x
  3. Step 3: Cross multiply
    77,787.90x = 116,653.23 × 27,854.46
  4. Step 4: Simplify right side
    77,787.90x = 3,249,312,728.91
  5. Step 5: Solve for x
    x = 3,249,312,728.91/77,787.90
  6. Step 6: Final answer
    x = 41,771.44

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1.5x scale

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.