Home / 93,179.07-128,583.60-56,941.11

Finding the Fourth Proportional to 93,179.07, 128,583.60 and 56,941.11

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Solution

The fourth proportional to 93,179.07, 128,583.60 and 56,941.11 is: 78,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,179.07 : 128,583.60 = 56,941.11 : x
  2. Step 2: Convert to fraction form
    93,179.07/128,583.60 = 56,941.11/x
  3. Step 3: Cross multiply
    93,179.07x = 128,583.60 × 56,941.11
  4. Step 4: Simplify right side
    93,179.07x = 7,321,693,018.56
  5. Step 5: Solve for x
    x = 7,321,693,018.56/93,179.07
  6. Step 6: Final answer
    x = 78,576.58

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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.