Home / 106,233.04-159,312.36-31,333.28

Finding the Fourth Proportional to 106,233.04, 159,312.36 and 31,333.28

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Solution

The fourth proportional to 106,233.04, 159,312.36 and 31,333.28 is: 46,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,233.04 : 159,312.36 = 31,333.28 : x
  2. Step 2: Convert to fraction form
    106,233.04/159,312.36 = 31,333.28/x
  3. Step 3: Cross multiply
    106,233.04x = 159,312.36 × 31,333.28
  4. Step 4: Simplify right side
    106,233.04x = 4,991,778,783.34
  5. Step 5: Solve for x
    x = 4,991,778,783.34/106,233.04
  6. Step 6: Final answer
    x = 46,988.95

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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.