Home / 125,071.57-172,597.05-68,482.94

Finding the Fourth Proportional to 125,071.57, 172,597.05 and 68,482.94

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Solution

The fourth proportional to 125,071.57, 172,597.05 and 68,482.94 is: 94,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,071.57 : 172,597.05 = 68,482.94 : x
  2. Step 2: Convert to fraction form
    125,071.57/172,597.05 = 68,482.94/x
  3. Step 3: Cross multiply
    125,071.57x = 172,597.05 × 68,482.94
  4. Step 4: Simplify right side
    125,071.57x = 11,819,953,850.82
  5. Step 5: Solve for x
    x = 11,819,953,850.82/125,071.57
  6. Step 6: Final answer
    x = 94,505.52

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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.