Home / 93,011.10-128,356.26-50,570.58

Finding the Fourth Proportional to 93,011.10, 128,356.26 and 50,570.58

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Solution

The fourth proportional to 93,011.10, 128,356.26 and 50,570.58 is: 69,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.10 : 128,356.26 = 50,570.58 : x
  2. Step 2: Convert to fraction form
    93,011.10/128,356.26 = 50,570.58/x
  3. Step 3: Cross multiply
    93,011.10x = 128,356.26 × 50,570.58
  4. Step 4: Simplify right side
    93,011.10x = 6,491,050,514.83
  5. Step 5: Solve for x
    x = 6,491,050,514.83/93,011.10
  6. Step 6: Final answer
    x = 69,787.91

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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.