Home / 84,503.16-116,508.42-54,235.08

Finding the Fourth Proportional to 84,503.16, 116,508.42 and 54,235.08

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Solution

The fourth proportional to 84,503.16, 116,508.42 and 54,235.08 is: 74,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,503.16 : 116,508.42 = 54,235.08 : x
  2. Step 2: Convert to fraction form
    84,503.16/116,508.42 = 54,235.08/x
  3. Step 3: Cross multiply
    84,503.16x = 116,508.42 × 54,235.08
  4. Step 4: Simplify right side
    84,503.16x = 6,318,843,479.37
  5. Step 5: Solve for x
    x = 6,318,843,479.37/84,503.16
  6. Step 6: Final answer
    x = 74,776.42

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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.