Home / 93,557.58-129,107.94-51,115.20

Finding the Fourth Proportional to 93,557.58, 129,107.94 and 51,115.20

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Solution

The fourth proportional to 93,557.58, 129,107.94 and 51,115.20 is: 70,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,557.58 : 129,107.94 = 51,115.20 : x
  2. Step 2: Convert to fraction form
    93,557.58/129,107.94 = 51,115.20/x
  3. Step 3: Cross multiply
    93,557.58x = 129,107.94 × 51,115.20
  4. Step 4: Simplify right side
    93,557.58x = 6,599,378,174.69
  5. Step 5: Solve for x
    x = 6,599,378,174.69/93,557.58
  6. Step 6: Final answer
    x = 70,538.15

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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.