Home / 112,543.03-168,765.31-53,395.57

Finding the Fourth Proportional to 112,543.03, 168,765.31 and 53,395.57

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Solution

The fourth proportional to 112,543.03, 168,765.31 and 53,395.57 is: 80,070.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,543.03 : 168,765.31 = 53,395.57 : x
  2. Step 2: Convert to fraction form
    112,543.03/168,765.31 = 53,395.57/x
  3. Step 3: Cross multiply
    112,543.03x = 168,765.31 × 53,395.57
  4. Step 4: Simplify right side
    112,543.03x = 9,011,319,923.68
  5. Step 5: Solve for x
    x = 9,011,319,923.68/112,543.03
  6. Step 6: Final answer
    x = 80,070.00

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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.