Home / 125,961.14-173,813.51-77,555.39

Finding the Fourth Proportional to 125,961.14, 173,813.51 and 77,555.39

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Solution

The fourth proportional to 125,961.14, 173,813.51 and 77,555.39 is: 107,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,961.14 : 173,813.51 = 77,555.39 : x
  2. Step 2: Convert to fraction form
    125,961.14/173,813.51 = 77,555.39/x
  3. Step 3: Cross multiply
    125,961.14x = 173,813.51 × 77,555.39
  4. Step 4: Simplify right side
    125,961.14x = 13,480,173,298.47
  5. Step 5: Solve for x
    x = 13,480,173,298.47/125,961.14
  6. Step 6: Final answer
    x = 107,018.51

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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.