Home / 93,738.04-129,338.49-55,509.60

Finding the Fourth Proportional to 93,738.04, 129,338.49 and 55,509.60

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Solution

The fourth proportional to 93,738.04, 129,338.49 and 55,509.60 is: 76,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,738.04 : 129,338.49 = 55,509.60 : x
  2. Step 2: Convert to fraction form
    93,738.04/129,338.49 = 55,509.60/x
  3. Step 3: Cross multiply
    93,738.04x = 129,338.49 × 55,509.60
  4. Step 4: Simplify right side
    93,738.04x = 7,179,527,844.50
  5. Step 5: Solve for x
    x = 7,179,527,844.50/93,738.04
  6. Step 6: Final answer
    x = 76,591.40

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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.