Home / 123,830.80-185,707.30-52,752.69

Finding the Fourth Proportional to 123,830.80, 185,707.30 and 52,752.69

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Solution

The fourth proportional to 123,830.80, 185,707.30 and 52,752.69 is: 79,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,830.80 : 185,707.30 = 52,752.69 : x
  2. Step 2: Convert to fraction form
    123,830.80/185,707.30 = 52,752.69/x
  3. Step 3: Cross multiply
    123,830.80x = 185,707.30 × 52,752.69
  4. Step 4: Simplify right side
    123,830.80x = 9,796,559,627.64
  5. Step 5: Solve for x
    x = 9,796,559,627.64/123,830.80
  6. Step 6: Final answer
    x = 79,112.46

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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.