Home / 53,765.99-74,188.93-30,792.23

Finding the Fourth Proportional to 53,765.99, 74,188.93 and 30,792.23

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Solution

The fourth proportional to 53,765.99, 74,188.93 and 30,792.23 is: 42,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,765.99 : 74,188.93 = 30,792.23 : x
  2. Step 2: Convert to fraction form
    53,765.99/74,188.93 = 30,792.23/x
  3. Step 3: Cross multiply
    53,765.99x = 74,188.93 × 30,792.23
  4. Step 4: Simplify right side
    53,765.99x = 2,284,442,442.05
  5. Step 5: Solve for x
    x = 2,284,442,442.05/53,765.99
  6. Step 6: Final answer
    x = 42,488.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.