Home / 84,590.18-116,681.64-54,414.84

Finding the Fourth Proportional to 84,590.18, 116,681.64 and 54,414.84

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Solution

The fourth proportional to 84,590.18, 116,681.64 and 54,414.84 is: 75,058.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,590.18 : 116,681.64 = 54,414.84 : x
  2. Step 2: Convert to fraction form
    84,590.18/116,681.64 = 54,414.84/x
  3. Step 3: Cross multiply
    84,590.18x = 116,681.64 × 54,414.84
  4. Step 4: Simplify right side
    84,590.18x = 6,349,212,771.54
  5. Step 5: Solve for x
    x = 6,349,212,771.54/84,590.18
  6. Step 6: Final answer
    x = 75,058.51

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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.