Home / 83,595.21-125,435.81-55,534.65

Finding the Fourth Proportional to 83,595.21, 125,435.81 and 55,534.65

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Solution

The fourth proportional to 83,595.21, 125,435.81 and 55,534.65 is: 83,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,595.21 : 125,435.81 = 55,534.65 : x
  2. Step 2: Convert to fraction form
    83,595.21/125,435.81 = 55,534.65/x
  3. Step 3: Cross multiply
    83,595.21x = 125,435.81 × 55,534.65
  4. Step 4: Simplify right side
    83,595.21x = 6,966,033,805.82
  5. Step 5: Solve for x
    x = 6,966,033,805.82/83,595.21
  6. Step 6: Final answer
    x = 83,330.54

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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.