Home / 77,521.23-106,977.92-43,529.98

Finding the Fourth Proportional to 77,521.23, 106,977.92 and 43,529.98

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Solution

The fourth proportional to 77,521.23, 106,977.92 and 43,529.98 is: 60,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,521.23 : 106,977.92 = 43,529.98 : x
  2. Step 2: Convert to fraction form
    77,521.23/106,977.92 = 43,529.98/x
  3. Step 3: Cross multiply
    77,521.23x = 106,977.92 × 43,529.98
  4. Step 4: Simplify right side
    77,521.23x = 4,656,746,718.04
  5. Step 5: Solve for x
    x = 4,656,746,718.04/77,521.23
  6. Step 6: Final answer
    x = 60,070.60

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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.