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Finding the Fourth Proportional to 76,051.62, 104,925.24 and 45,825.57

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Solution

The fourth proportional to 76,051.62, 104,925.24 and 45,825.57 is: 63,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,051.62 : 104,925.24 = 45,825.57 : x
  2. Step 2: Convert to fraction form
    76,051.62/104,925.24 = 45,825.57/x
  3. Step 3: Cross multiply
    76,051.62x = 104,925.24 × 45,825.57
  4. Step 4: Simplify right side
    76,051.62x = 4,808,258,930.39
  5. Step 5: Solve for x
    x = 4,808,258,930.39/76,051.62
  6. Step 6: Final answer
    x = 63,223.62

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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.