Home / 84,683.77-116,855.18-48,885.31

Finding the Fourth Proportional to 84,683.77, 116,855.18 and 48,885.31

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Solution

The fourth proportional to 84,683.77, 116,855.18 and 48,885.31 is: 67,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,683.77 : 116,855.18 = 48,885.31 : x
  2. Step 2: Convert to fraction form
    84,683.77/116,855.18 = 48,885.31/x
  3. Step 3: Cross multiply
    84,683.77x = 116,855.18 × 48,885.31
  4. Step 4: Simplify right side
    84,683.77x = 5,712,501,784.37
  5. Step 5: Solve for x
    x = 5,712,501,784.37/84,683.77
  6. Step 6: Final answer
    x = 67,456.87

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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.