Home / 93,181.32-128,586.71-56,943.36

Finding the Fourth Proportional to 93,181.32, 128,586.71 and 56,943.36

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Solution

The fourth proportional to 93,181.32, 128,586.71 and 56,943.36 is: 78,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,181.32 : 128,586.71 = 56,943.36 : x
  2. Step 2: Convert to fraction form
    93,181.32/128,586.71 = 56,943.36/x
  3. Step 3: Cross multiply
    93,181.32x = 128,586.71 × 56,943.36
  4. Step 4: Simplify right side
    93,181.32x = 7,322,159,034.03
  5. Step 5: Solve for x
    x = 7,322,159,034.03/93,181.32
  6. Step 6: Final answer
    x = 78,579.69

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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.