Home / 93,629.75-129,209.06-51,188.29

Finding the Fourth Proportional to 93,629.75, 129,209.06 and 51,188.29

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Solution

The fourth proportional to 93,629.75, 129,209.06 and 51,188.29 is: 70,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,629.75 : 129,209.06 = 51,188.29 : x
  2. Step 2: Convert to fraction form
    93,629.75/129,209.06 = 51,188.29/x
  3. Step 3: Cross multiply
    93,629.75x = 129,209.06 × 51,188.29
  4. Step 4: Simplify right side
    93,629.75x = 6,613,990,638.86
  5. Step 5: Solve for x
    x = 6,613,990,638.86/93,629.75
  6. Step 6: Final answer
    x = 70,639.84

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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.