Home / 124,518.36-171,835.08-67,929.72

Finding the Fourth Proportional to 124,518.36, 171,835.08 and 67,929.72

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Solution

The fourth proportional to 124,518.36, 171,835.08 and 67,929.72 is: 93,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518.36 : 171,835.08 = 67,929.72 : x
  2. Step 2: Convert to fraction form
    124,518.36/171,835.08 = 67,929.72/x
  3. Step 3: Cross multiply
    124,518.36x = 171,835.08 × 67,929.72
  4. Step 4: Simplify right side
    124,518.36x = 11,672,708,870.58
  5. Step 5: Solve for x
    x = 11,672,708,870.58/124,518.36
  6. Step 6: Final answer
    x = 93,742.87

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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.