Home / 62,707.52-94,064.40-20,570.56

Finding the Fourth Proportional to 62,707.52, 94,064.40 and 20,570.56

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Solution

The fourth proportional to 62,707.52, 94,064.40 and 20,570.56 is: 30,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,707.52 : 94,064.40 = 20,570.56 : x
  2. Step 2: Convert to fraction form
    62,707.52/94,064.40 = 20,570.56/x
  3. Step 3: Cross multiply
    62,707.52x = 94,064.40 × 20,570.56
  4. Step 4: Simplify right side
    62,707.52x = 1,934,957,384.06
  5. Step 5: Solve for x
    x = 1,934,957,384.06/62,707.52
  6. Step 6: Final answer
    x = 30,856.86

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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.