Home / 125,786.01-173,586.14-72,069.95

Finding the Fourth Proportional to 125,786.01, 173,586.14 and 72,069.95

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Solution

The fourth proportional to 125,786.01, 173,586.14 and 72,069.95 is: 99,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,786.01 : 173,586.14 = 72,069.95 : x
  2. Step 2: Convert to fraction form
    125,786.01/173,586.14 = 72,069.95/x
  3. Step 3: Cross multiply
    125,786.01x = 173,586.14 × 72,069.95
  4. Step 4: Simplify right side
    125,786.01x = 12,510,344,774.37
  5. Step 5: Solve for x
    x = 12,510,344,774.37/125,786.01
  6. Step 6: Final answer
    x = 99,457.36

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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.