Home / 93,485.08-129,008.46-57,660.76

Finding the Fourth Proportional to 93,485.08, 129,008.46 and 57,660.76

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Solution

The fourth proportional to 93,485.08, 129,008.46 and 57,660.76 is: 79,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,485.08 : 129,008.46 = 57,660.76 : x
  2. Step 2: Convert to fraction form
    93,485.08/129,008.46 = 57,660.76/x
  3. Step 3: Cross multiply
    93,485.08x = 129,008.46 × 57,660.76
  4. Step 4: Simplify right side
    93,485.08x = 7,438,725,850.03
  5. Step 5: Solve for x
    x = 7,438,725,850.03/93,485.08
  6. Step 6: Final answer
    x = 79,571.26

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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.