Home / 125,631.40-188,447.10-46,729.30

Finding the Fourth Proportional to 125,631.40, 188,447.10 and 46,729.30

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Solution

The fourth proportional to 125,631.40, 188,447.10 and 46,729.30 is: 70,093.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,631.40 : 188,447.10 = 46,729.30 : x
  2. Step 2: Convert to fraction form
    125,631.40/188,447.10 = 46,729.30/x
  3. Step 3: Cross multiply
    125,631.40x = 188,447.10 × 46,729.30
  4. Step 4: Simplify right side
    125,631.40x = 8,806,001,070.03
  5. Step 5: Solve for x
    x = 8,806,001,070.03/125,631.40
  6. Step 6: Final answer
    x = 70,093.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.