Home / 93,630.11-129,209.54-51,188.63

Finding the Fourth Proportional to 93,630.11, 129,209.54 and 51,188.63

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Solution

The fourth proportional to 93,630.11, 129,209.54 and 51,188.63 is: 70,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,630.11 : 129,209.54 = 51,188.63 : x
  2. Step 2: Convert to fraction form
    93,630.11/129,209.54 = 51,188.63/x
  3. Step 3: Cross multiply
    93,630.11x = 129,209.54 × 51,188.63
  4. Step 4: Simplify right side
    93,630.11x = 6,614,058,433.54
  5. Step 5: Solve for x
    x = 6,614,058,433.54/93,630.11
  6. Step 6: Final answer
    x = 70,640.30

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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.