Home / 62,820.95-94,242.96-20,703.51

Finding the Fourth Proportional to 62,820.95, 94,242.96 and 20,703.51

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Solution

The fourth proportional to 62,820.95, 94,242.96 and 20,703.51 is: 31,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,820.95 : 94,242.96 = 20,703.51 : x
  2. Step 2: Convert to fraction form
    62,820.95/94,242.96 = 20,703.51/x
  3. Step 3: Cross multiply
    62,820.95x = 94,242.96 × 20,703.51
  4. Step 4: Simplify right side
    62,820.95x = 1,951,160,064.79
  5. Step 5: Solve for x
    x = 1,951,160,064.79/62,820.95
  6. Step 6: Final answer
    x = 31,059.07

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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.