Home / 125,667.73-173,417.07-69,078.70

Finding the Fourth Proportional to 125,667.73, 173,417.07 and 69,078.70

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Solution

The fourth proportional to 125,667.73, 173,417.07 and 69,078.70 is: 95,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,667.73 : 173,417.07 = 69,078.70 : x
  2. Step 2: Convert to fraction form
    125,667.73/173,417.07 = 69,078.70/x
  3. Step 3: Cross multiply
    125,667.73x = 173,417.07 × 69,078.70
  4. Step 4: Simplify right side
    125,667.73x = 11,979,425,319.87
  5. Step 5: Solve for x
    x = 11,979,425,319.87/125,667.73
  6. Step 6: Final answer
    x = 95,326.19

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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.