Home / 98,865.04-136,433.76-54,153.04

Finding the Fourth Proportional to 98,865.04, 136,433.76 and 54,153.04

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Solution

The fourth proportional to 98,865.04, 136,433.76 and 54,153.04 is: 74,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,865.04 : 136,433.76 = 54,153.04 : x
  2. Step 2: Convert to fraction form
    98,865.04/136,433.76 = 54,153.04/x
  3. Step 3: Cross multiply
    98,865.04x = 136,433.76 × 54,153.04
  4. Step 4: Simplify right side
    98,865.04x = 7,388,302,862.63
  5. Step 5: Solve for x
    x = 7,388,302,862.63/98,865.04
  6. Step 6: Final answer
    x = 74,731.20

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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.