Home / 93,630.49-129,210.05-51,189.02

Finding the Fourth Proportional to 93,630.49, 129,210.05 and 51,189.02

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Solution

The fourth proportional to 93,630.49, 129,210.05 and 51,189.02 is: 70,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,630.49 : 129,210.05 = 51,189.02 : x
  2. Step 2: Convert to fraction form
    93,630.49/129,210.05 = 51,189.02/x
  3. Step 3: Cross multiply
    93,630.49x = 129,210.05 × 51,189.02
  4. Step 4: Simplify right side
    93,630.49x = 6,614,135,833.65
  5. Step 5: Solve for x
    x = 6,614,135,833.65/93,630.49
  6. Step 6: Final answer
    x = 70,640.83

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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.