Home / 93,528.12-129,047.66-55,795

Finding the Fourth Proportional to 93,528.12, 129,047.66 and 55,795

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Solution

The fourth proportional to 93,528.12, 129,047.66 and 55,795 is: 76,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,528.12 : 129,047.66 = 55,795 : x
  2. Step 2: Convert to fraction form
    93,528.12/129,047.66 = 55,795/x
  3. Step 3: Cross multiply
    93,528.12x = 129,047.66 × 55,795
  4. Step 4: Simplify right side
    93,528.12x = 7,200,214,189.70
  5. Step 5: Solve for x
    x = 7,200,214,189.70/93,528.12
  6. Step 6: Final answer
    x = 76,984.49

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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.