Home / 42,792.14-64,144.46-14,703.78

Finding the Fourth Proportional to 42,792.14, 64,144.46 and 14,703.78

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Solution

The fourth proportional to 42,792.14, 64,144.46 and 14,703.78 is: 22,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,792.14 : 64,144.46 = 14,703.78 : x
  2. Step 2: Convert to fraction form
    42,792.14/64,144.46 = 14,703.78/x
  3. Step 3: Cross multiply
    42,792.14x = 64,144.46 × 14,703.78
  4. Step 4: Simplify right side
    42,792.14x = 943,166,028.06
  5. Step 5: Solve for x
    x = 943,166,028.06/42,792.14
  6. Step 6: Final answer
    x = 22,040.64

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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.