Home / 62,143.18-85,763.55-38,283.82

Finding the Fourth Proportional to 62,143.18, 85,763.55 and 38,283.82

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Solution

The fourth proportional to 62,143.18, 85,763.55 and 38,283.82 is: 52,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,143.18 : 85,763.55 = 38,283.82 : x
  2. Step 2: Convert to fraction form
    62,143.18/85,763.55 = 38,283.82/x
  3. Step 3: Cross multiply
    62,143.18x = 85,763.55 × 38,283.82
  4. Step 4: Simplify right side
    62,143.18x = 3,283,356,310.76
  5. Step 5: Solve for x
    x = 3,283,356,310.76/62,143.18
  6. Step 6: Final answer
    x = 52,835.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.