Home / 84,308.98-116,400.63-54,107.32

Finding the Fourth Proportional to 84,308.98, 116,400.63 and 54,107.32

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Solution

The fourth proportional to 84,308.98, 116,400.63 and 54,107.32 is: 74,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,308.98 : 116,400.63 = 54,107.32 : x
  2. Step 2: Convert to fraction form
    84,308.98/116,400.63 = 54,107.32/x
  3. Step 3: Cross multiply
    84,308.98x = 116,400.63 × 54,107.32
  4. Step 4: Simplify right side
    84,308.98x = 6,298,126,135.61
  5. Step 5: Solve for x
    x = 6,298,126,135.61/84,308.98
  6. Step 6: Final answer
    x = 74,702.91

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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.