Home / 125,772.35-173,590.47-72,093.30

Finding the Fourth Proportional to 125,772.35, 173,590.47 and 72,093.30

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Solution

The fourth proportional to 125,772.35, 173,590.47 and 72,093.30 is: 99,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,772.35 : 173,590.47 = 72,093.30 : x
  2. Step 2: Convert to fraction form
    125,772.35/173,590.47 = 72,093.30/x
  3. Step 3: Cross multiply
    125,772.35x = 173,590.47 × 72,093.30
  4. Step 4: Simplify right side
    125,772.35x = 12,514,709,830.85
  5. Step 5: Solve for x
    x = 12,514,709,830.85/125,772.35
  6. Step 6: Final answer
    x = 99,502.87

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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.