Home / 125,069.36-172,595.76-68,484.32

Finding the Fourth Proportional to 125,069.36, 172,595.76 and 68,484.32

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Solution

The fourth proportional to 125,069.36, 172,595.76 and 68,484.32 is: 94,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,069.36 : 172,595.76 = 68,484.32 : x
  2. Step 2: Convert to fraction form
    125,069.36/172,595.76 = 68,484.32/x
  3. Step 3: Cross multiply
    125,069.36x = 172,595.76 × 68,484.32
  4. Step 4: Simplify right side
    125,069.36x = 11,820,103,258.48
  5. Step 5: Solve for x
    x = 11,820,103,258.48/125,069.36
  6. Step 6: Final answer
    x = 94,508.39

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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.