Home / 75,792.04-113,688.45-19,628.21

Finding the Fourth Proportional to 75,792.04, 113,688.45 and 19,628.21

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Solution

The fourth proportional to 75,792.04, 113,688.45 and 19,628.21 is: 29,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,792.04 : 113,688.45 = 19,628.21 : x
  2. Step 2: Convert to fraction form
    75,792.04/113,688.45 = 19,628.21/x
  3. Step 3: Cross multiply
    75,792.04x = 113,688.45 × 19,628.21
  4. Step 4: Simplify right side
    75,792.04x = 2,231,501,055.40
  5. Step 5: Solve for x
    x = 2,231,501,055.40/75,792.04
  6. Step 6: Final answer
    x = 29,442.42

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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.