Home / 139,799.04-209,731.68-60,927.36

Finding the Fourth Proportional to 139,799.04, 209,731.68 and 60,927.36

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Solution

The fourth proportional to 139,799.04, 209,731.68 and 60,927.36 is: 91,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,799.04 : 209,731.68 = 60,927.36 : x
  2. Step 2: Convert to fraction form
    139,799.04/209,731.68 = 60,927.36/x
  3. Step 3: Cross multiply
    139,799.04x = 209,731.68 × 60,927.36
  4. Step 4: Simplify right side
    139,799.04x = 12,778,397,570.76
  5. Step 5: Solve for x
    x = 12,778,397,570.76/139,799.04
  6. Step 6: Final answer
    x = 91,405.47

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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.