Home / 66,787.34-92,166.48-36,979.34

Finding the Fourth Proportional to 66,787.34, 92,166.48 and 36,979.34

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Solution

The fourth proportional to 66,787.34, 92,166.48 and 36,979.34 is: 51,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,787.34 : 92,166.48 = 36,979.34 : x
  2. Step 2: Convert to fraction form
    66,787.34/92,166.48 = 36,979.34/x
  3. Step 3: Cross multiply
    66,787.34x = 92,166.48 × 36,979.34
  4. Step 4: Simplify right side
    66,787.34x = 3,408,255,139.69
  5. Step 5: Solve for x
    x = 3,408,255,139.69/66,787.34
  6. Step 6: Final answer
    x = 51,031.46

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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.