Home / 93,050.88-128,396.16-57,246.72

Finding the Fourth Proportional to 93,050.88, 128,396.16 and 57,246.72

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Solution

The fourth proportional to 93,050.88, 128,396.16 and 57,246.72 is: 78,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,050.88 : 128,396.16 = 57,246.72 : x
  2. Step 2: Convert to fraction form
    93,050.88/128,396.16 = 57,246.72/x
  3. Step 3: Cross multiply
    93,050.88x = 128,396.16 × 57,246.72
  4. Step 4: Simplify right side
    93,050.88x = 7,350,259,020.60
  5. Step 5: Solve for x
    x = 7,350,259,020.60/93,050.88
  6. Step 6: Final answer
    x = 78,991.83

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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.