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Finding the Fourth Proportional to 70,332.44, 105,522.84 and 44,005.76

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Solution

The fourth proportional to 70,332.44, 105,522.84 and 44,005.76 is: 66,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,332.44 : 105,522.84 = 44,005.76 : x
  2. Step 2: Convert to fraction form
    70,332.44/105,522.84 = 44,005.76/x
  3. Step 3: Cross multiply
    70,332.44x = 105,522.84 × 44,005.76
  4. Step 4: Simplify right side
    70,332.44x = 4,643,612,771.56
  5. Step 5: Solve for x
    x = 4,643,612,771.56/70,332.44
  6. Step 6: Final answer
    x = 66,023.77

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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.