Home / 93,272.15-128,711.80-50,829.77

Finding the Fourth Proportional to 93,272.15, 128,711.80 and 50,829.77

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Solution

The fourth proportional to 93,272.15, 128,711.80 and 50,829.77 is: 70,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,272.15 : 128,711.80 = 50,829.77 : x
  2. Step 2: Convert to fraction form
    93,272.15/128,711.80 = 50,829.77/x
  3. Step 3: Cross multiply
    93,272.15x = 128,711.80 × 50,829.77
  4. Step 4: Simplify right side
    93,272.15x = 6,542,391,190.29
  5. Step 5: Solve for x
    x = 6,542,391,190.29/93,272.15
  6. Step 6: Final answer
    x = 70,143.03

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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.