Home / 77,749.20-116,409.96-58,973.76

Finding the Fourth Proportional to 77,749.20, 116,409.96 and 58,973.76

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Solution

The fourth proportional to 77,749.20, 116,409.96 and 58,973.76 is: 88,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,749.20 : 116,409.96 = 58,973.76 : x
  2. Step 2: Convert to fraction form
    77,749.20/116,409.96 = 58,973.76/x
  3. Step 3: Cross multiply
    77,749.20x = 116,409.96 × 58,973.76
  4. Step 4: Simplify right side
    77,749.20x = 6,865,133,042.65
  5. Step 5: Solve for x
    x = 6,865,133,042.65/77,749.20
  6. Step 6: Final answer
    x = 88,298.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.