Home / 93,181.10-128,586.40-56,943.14

Finding the Fourth Proportional to 93,181.10, 128,586.40 and 56,943.14

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Solution

The fourth proportional to 93,181.10, 128,586.40 and 56,943.14 is: 78,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,181.10 : 128,586.40 = 56,943.14 : x
  2. Step 2: Convert to fraction form
    93,181.10/128,586.40 = 56,943.14/x
  3. Step 3: Cross multiply
    93,181.10x = 128,586.40 × 56,943.14
  4. Step 4: Simplify right side
    93,181.10x = 7,322,113,377.30
  5. Step 5: Solve for x
    x = 7,322,113,377.30/93,181.10
  6. Step 6: Final answer
    x = 78,579.38

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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.