Home / 77,506.15-106,930.92-50,664.16

Finding the Fourth Proportional to 77,506.15, 106,930.92 and 50,664.16

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Solution

The fourth proportional to 77,506.15, 106,930.92 and 50,664.16 is: 69,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,506.15 : 106,930.92 = 50,664.16 : x
  2. Step 2: Convert to fraction form
    77,506.15/106,930.92 = 50,664.16/x
  3. Step 3: Cross multiply
    77,506.15x = 106,930.92 × 50,664.16
  4. Step 4: Simplify right side
    77,506.15x = 5,417,565,239.83
  5. Step 5: Solve for x
    x = 5,417,565,239.83/77,506.15
  6. Step 6: Final answer
    x = 69,898.52

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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.