Home / 93,821.64-129,473.82-51,379.80

Finding the Fourth Proportional to 93,821.64, 129,473.82 and 51,379.80

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Solution

The fourth proportional to 93,821.64, 129,473.82 and 51,379.80 is: 70,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,821.64 : 129,473.82 = 51,379.80 : x
  2. Step 2: Convert to fraction form
    93,821.64/129,473.82 = 51,379.80/x
  3. Step 3: Cross multiply
    93,821.64x = 129,473.82 × 51,379.80
  4. Step 4: Simplify right side
    93,821.64x = 6,652,338,976.84
  5. Step 5: Solve for x
    x = 6,652,338,976.84/93,821.64
  6. Step 6: Final answer
    x = 70,904.10

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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.