Home / 93,923.80-129,664.74-63,869.56

Finding the Fourth Proportional to 93,923.80, 129,664.74 and 63,869.56

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Solution

The fourth proportional to 93,923.80, 129,664.74 and 63,869.56 is: 88,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,923.80 : 129,664.74 = 63,869.56 : x
  2. Step 2: Convert to fraction form
    93,923.80/129,664.74 = 63,869.56/x
  3. Step 3: Cross multiply
    93,923.80x = 129,664.74 × 63,869.56
  4. Step 4: Simplify right side
    93,923.80x = 8,281,629,891.31
  5. Step 5: Solve for x
    x = 8,281,629,891.31/93,923.80
  6. Step 6: Final answer
    x = 88,173.92

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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.