Home / 125,686.88-173,429.85-73,973.24

Finding the Fourth Proportional to 125,686.88, 173,429.85 and 73,973.24

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Solution

The fourth proportional to 125,686.88, 173,429.85 and 73,973.24 is: 102,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,686.88 : 173,429.85 = 73,973.24 : x
  2. Step 2: Convert to fraction form
    125,686.88/173,429.85 = 73,973.24/x
  3. Step 3: Cross multiply
    125,686.88x = 173,429.85 × 73,973.24
  4. Step 4: Simplify right side
    125,686.88x = 12,829,167,050.06
  5. Step 5: Solve for x
    x = 12,829,167,050.06/125,686.88
  6. Step 6: Final answer
    x = 102,072.45

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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.