Home / 125,795.52-173,622.63-72,116.58

Finding the Fourth Proportional to 125,795.52, 173,622.63 and 72,116.58

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Solution

The fourth proportional to 125,795.52, 173,622.63 and 72,116.58 is: 99,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,795.52 : 173,622.63 = 72,116.58 : x
  2. Step 2: Convert to fraction form
    125,795.52/173,622.63 = 72,116.58/x
  3. Step 3: Cross multiply
    125,795.52x = 173,622.63 × 72,116.58
  4. Step 4: Simplify right side
    125,795.52x = 12,521,070,286.21
  5. Step 5: Solve for x
    x = 12,521,070,286.21/125,795.52
  6. Step 6: Final answer
    x = 99,535.10

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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.