Home / 125,389.91-173,050.49-71,682.68

Finding the Fourth Proportional to 125,389.91, 173,050.49 and 71,682.68

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Solution

The fourth proportional to 125,389.91, 173,050.49 and 71,682.68 is: 98,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,389.91 : 173,050.49 = 71,682.68 : x
  2. Step 2: Convert to fraction form
    125,389.91/173,050.49 = 71,682.68/x
  3. Step 3: Cross multiply
    125,389.91x = 173,050.49 × 71,682.68
  4. Step 4: Simplify right side
    125,389.91x = 12,404,722,898.51
  5. Step 5: Solve for x
    x = 12,404,722,898.51/125,389.91
  6. Step 6: Final answer
    x = 98,929.20

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1.5x scale

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.