Home / 125,625.65-173,378.36-71,927.91

Finding the Fourth Proportional to 125,625.65, 173,378.36 and 71,927.91

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Solution

The fourth proportional to 125,625.65, 173,378.36 and 71,927.91 is: 99,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,625.65 : 173,378.36 = 71,927.91 : x
  2. Step 2: Convert to fraction form
    125,625.65/173,378.36 = 71,927.91/x
  3. Step 3: Cross multiply
    125,625.65x = 173,378.36 × 71,927.91
  4. Step 4: Simplify right side
    125,625.65x = 12,470,742,714.39
  5. Step 5: Solve for x
    x = 12,470,742,714.39/125,625.65
  6. Step 6: Final answer
    x = 99,269.08

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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.