Home / 76,054.08-104,960.16-42,517.92

Finding the Fourth Proportional to 76,054.08, 104,960.16 and 42,517.92

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Solution

The fourth proportional to 76,054.08, 104,960.16 and 42,517.92 is: 58,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,054.08 : 104,960.16 = 42,517.92 : x
  2. Step 2: Convert to fraction form
    76,054.08/104,960.16 = 42,517.92/x
  3. Step 3: Cross multiply
    76,054.08x = 104,960.16 × 42,517.92
  4. Step 4: Simplify right side
    76,054.08x = 4,462,687,686.07
  5. Step 5: Solve for x
    x = 4,462,687,686.07/76,054.08
  6. Step 6: Final answer
    x = 58,677.82

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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.