Home / 93,237.42-128,715.30-63,181.56

Finding the Fourth Proportional to 93,237.42, 128,715.30 and 63,181.56

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Solution

The fourth proportional to 93,237.42, 128,715.30 and 63,181.56 is: 87,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,237.42 : 128,715.30 = 63,181.56 : x
  2. Step 2: Convert to fraction form
    93,237.42/128,715.30 = 63,181.56/x
  3. Step 3: Cross multiply
    93,237.42x = 128,715.30 × 63,181.56
  4. Step 4: Simplify right side
    93,237.42x = 8,132,433,449.87
  5. Step 5: Solve for x
    x = 8,132,433,449.87/93,237.42
  6. Step 6: Final answer
    x = 87,222.85

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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.