Home / 125,897.71-173,762.13-72,183.10

Finding the Fourth Proportional to 125,897.71, 173,762.13 and 72,183.10

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Solution

The fourth proportional to 125,897.71, 173,762.13 and 72,183.10 is: 99,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,897.71 : 173,762.13 = 72,183.10 : x
  2. Step 2: Convert to fraction form
    125,897.71/173,762.13 = 72,183.10/x
  3. Step 3: Cross multiply
    125,897.71x = 173,762.13 × 72,183.10
  4. Step 4: Simplify right side
    125,897.71x = 12,542,689,206.00
  5. Step 5: Solve for x
    x = 12,542,689,206.00/125,897.71
  6. Step 6: Final answer
    x = 99,626.03

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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.