Home / 76,553.06-105,651.96-42,564.92

Finding the Fourth Proportional to 76,553.06, 105,651.96 and 42,564.92

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Solution

The fourth proportional to 76,553.06, 105,651.96 and 42,564.92 is: 58,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,553.06 : 105,651.96 = 42,564.92 : x
  2. Step 2: Convert to fraction form
    76,553.06/105,651.96 = 42,564.92/x
  3. Step 3: Cross multiply
    76,553.06x = 105,651.96 × 42,564.92
  4. Step 4: Simplify right side
    76,553.06x = 4,497,067,225.24
  5. Step 5: Solve for x
    x = 4,497,067,225.24/76,553.06
  6. Step 6: Final answer
    x = 58,744.45

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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.