Home / 77,521.27-106,972.78-46,905.77

Finding the Fourth Proportional to 77,521.27, 106,972.78 and 46,905.77

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Solution

The fourth proportional to 77,521.27, 106,972.78 and 46,905.77 is: 64,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,521.27 : 106,972.78 = 46,905.77 : x
  2. Step 2: Convert to fraction form
    77,521.27/106,972.78 = 46,905.77/x
  3. Step 3: Cross multiply
    77,521.27x = 106,972.78 × 46,905.77
  4. Step 4: Simplify right side
    77,521.27x = 5,017,639,845.55
  5. Step 5: Solve for x
    x = 5,017,639,845.55/77,521.27
  6. Step 6: Final answer
    x = 64,725.98

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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.