Home / 93,053.18-128,412.42-50,611.70

Finding the Fourth Proportional to 93,053.18, 128,412.42 and 50,611.70

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Solution

The fourth proportional to 93,053.18, 128,412.42 and 50,611.70 is: 69,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,053.18 : 128,412.42 = 50,611.70 : x
  2. Step 2: Convert to fraction form
    93,053.18/128,412.42 = 50,611.70/x
  3. Step 3: Cross multiply
    93,053.18x = 128,412.42 × 50,611.70
  4. Step 4: Simplify right side
    93,053.18x = 6,499,170,235.25
  5. Step 5: Solve for x
    x = 6,499,170,235.25/93,053.18
  6. Step 6: Final answer
    x = 69,843.62

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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.