Home / 74,680.86-112,021.28-22,086.24

Finding the Fourth Proportional to 74,680.86, 112,021.28 and 22,086.24

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Solution

The fourth proportional to 74,680.86, 112,021.28 and 22,086.24 is: 33,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680.86 : 112,021.28 = 22,086.24 : x
  2. Step 2: Convert to fraction form
    74,680.86/112,021.28 = 22,086.24/x
  3. Step 3: Cross multiply
    74,680.86x = 112,021.28 × 22,086.24
  4. Step 4: Simplify right side
    74,680.86x = 2,474,128,875.19
  5. Step 5: Solve for x
    x = 2,474,128,875.19/74,680.86
  6. Step 6: Final answer
    x = 33,129.36

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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.