Home / 86,974.04-120,029.90-48,731.51

Finding the Fourth Proportional to 86,974.04, 120,029.90 and 48,731.51

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Solution

The fourth proportional to 86,974.04, 120,029.90 and 48,731.51 is: 67,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,974.04 : 120,029.90 = 48,731.51 : x
  2. Step 2: Convert to fraction form
    86,974.04/120,029.90 = 48,731.51/x
  3. Step 3: Cross multiply
    86,974.04x = 120,029.90 × 48,731.51
  4. Step 4: Simplify right side
    86,974.04x = 5,849,237,428.34
  5. Step 5: Solve for x
    x = 5,849,237,428.34/86,974.04
  6. Step 6: Final answer
    x = 67,252.69

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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.