Home / 42,089.79-63,132.21-15,792.33

Finding the Fourth Proportional to 42,089.79, 63,132.21 and 15,792.33

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Solution

The fourth proportional to 42,089.79, 63,132.21 and 15,792.33 is: 23,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,089.79 : 63,132.21 = 15,792.33 : x
  2. Step 2: Convert to fraction form
    42,089.79/63,132.21 = 15,792.33/x
  3. Step 3: Cross multiply
    42,089.79x = 63,132.21 × 15,792.33
  4. Step 4: Simplify right side
    42,089.79x = 997,004,693.95
  5. Step 5: Solve for x
    x = 997,004,693.95/42,089.79
  6. Step 6: Final answer
    x = 23,687.57

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1.5x scale

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.