Home / 125,688.06-188,279.66-58,125.39

Finding the Fourth Proportional to 125,688.06, 188,279.66 and 58,125.39

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Solution

The fourth proportional to 125,688.06, 188,279.66 and 58,125.39 is: 87,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,688.06 : 188,279.66 = 58,125.39 : x
  2. Step 2: Convert to fraction form
    125,688.06/188,279.66 = 58,125.39/x
  3. Step 3: Cross multiply
    125,688.06x = 188,279.66 × 58,125.39
  4. Step 4: Simplify right side
    125,688.06x = 10,943,829,530.96
  5. Step 5: Solve for x
    x = 10,943,829,530.96/125,688.06
  6. Step 6: Final answer
    x = 87,071.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.