Home / 77,475.50-116,200.10-35,345.68

Finding the Fourth Proportional to 77,475.50, 116,200.10 and 35,345.68

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Solution

The fourth proportional to 77,475.50, 116,200.10 and 35,345.68 is: 53,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,475.50 : 116,200.10 = 35,345.68 : x
  2. Step 2: Convert to fraction form
    77,475.50/116,200.10 = 35,345.68/x
  3. Step 3: Cross multiply
    77,475.50x = 116,200.10 × 35,345.68
  4. Step 4: Simplify right side
    77,475.50x = 4,107,171,373.84
  5. Step 5: Solve for x
    x = 4,107,171,373.84/77,475.50
  6. Step 6: Final answer
    x = 53,012.52

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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.