Home / 70,966.77-106,329.66-42,827.72

Finding the Fourth Proportional to 70,966.77, 106,329.66 and 42,827.72

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Solution

The fourth proportional to 70,966.77, 106,329.66 and 42,827.72 is: 64,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,966.77 : 106,329.66 = 42,827.72 : x
  2. Step 2: Convert to fraction form
    70,966.77/106,329.66 = 42,827.72/x
  3. Step 3: Cross multiply
    70,966.77x = 106,329.66 × 42,827.72
  4. Step 4: Simplify right side
    70,966.77x = 4,553,856,374.53
  5. Step 5: Solve for x
    x = 4,553,856,374.53/70,966.77
  6. Step 6: Final answer
    x = 64,168.86

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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.