Home / 62,302.45-85,976.80-38,419.57

Finding the Fourth Proportional to 62,302.45, 85,976.80 and 38,419.57

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Solution

The fourth proportional to 62,302.45, 85,976.80 and 38,419.57 is: 53,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,302.45 : 85,976.80 = 38,419.57 : x
  2. Step 2: Convert to fraction form
    62,302.45/85,976.80 = 38,419.57/x
  3. Step 3: Cross multiply
    62,302.45x = 85,976.80 × 38,419.57
  4. Step 4: Simplify right side
    62,302.45x = 3,303,191,685.98
  5. Step 5: Solve for x
    x = 3,303,191,685.98/62,302.45
  6. Step 6: Final answer
    x = 53,018.65

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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.