Home / 76,597.08-105,705.78-42,606.92

Finding the Fourth Proportional to 76,597.08, 105,705.78 and 42,606.92

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Solution

The fourth proportional to 76,597.08, 105,705.78 and 42,606.92 is: 58,798.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,597.08 : 105,705.78 = 42,606.92 : x
  2. Step 2: Convert to fraction form
    76,597.08/105,705.78 = 42,606.92/x
  3. Step 3: Cross multiply
    76,597.08x = 105,705.78 × 42,606.92
  4. Step 4: Simplify right side
    76,597.08x = 4,503,797,712.00
  5. Step 5: Solve for x
    x = 4,503,797,712.00/76,597.08
  6. Step 6: Final answer
    x = 58,798.56

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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.