Home / 93,885.15-139,990.27-83,453.16

Finding the Fourth Proportional to 93,885.15, 139,990.27 and 83,453.16

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Solution

The fourth proportional to 93,885.15, 139,990.27 and 83,453.16 is: 124,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,885.15 : 139,990.27 = 83,453.16 : x
  2. Step 2: Convert to fraction form
    93,885.15/139,990.27 = 83,453.16/x
  3. Step 3: Cross multiply
    93,885.15x = 139,990.27 × 83,453.16
  4. Step 4: Simplify right side
    93,885.15x = 11,682,630,400.75
  5. Step 5: Solve for x
    x = 11,682,630,400.75/93,885.15
  6. Step 6: Final answer
    x = 124,435.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.