Home / 106,777.05-147,345.10-59,023.90

Finding the Fourth Proportional to 106,777.05, 147,345.10 and 59,023.90

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Solution

The fourth proportional to 106,777.05, 147,345.10 and 59,023.90 is: 81,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,777.05 : 147,345.10 = 59,023.90 : x
  2. Step 2: Convert to fraction form
    106,777.05/147,345.10 = 59,023.90/x
  3. Step 3: Cross multiply
    106,777.05x = 147,345.10 × 59,023.90
  4. Step 4: Simplify right side
    106,777.05x = 8,696,882,447.89
  5. Step 5: Solve for x
    x = 8,696,882,447.89/106,777.05
  6. Step 6: Final answer
    x = 81,448.99

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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.