Home / 62,640.95-86,559.03-45,615.56

Finding the Fourth Proportional to 62,640.95, 86,559.03 and 45,615.56

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Solution

The fourth proportional to 62,640.95, 86,559.03 and 45,615.56 is: 63,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,640.95 : 86,559.03 = 45,615.56 : x
  2. Step 2: Convert to fraction form
    62,640.95/86,559.03 = 45,615.56/x
  3. Step 3: Cross multiply
    62,640.95x = 86,559.03 × 45,615.56
  4. Step 4: Simplify right side
    62,640.95x = 3,948,438,193.71
  5. Step 5: Solve for x
    x = 3,948,438,193.71/62,640.95
  6. Step 6: Final answer
    x = 63,032.86

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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.