Home / 99,211.10-136,916.02-60,972.24

Finding the Fourth Proportional to 99,211.10, 136,916.02 and 60,972.24

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Solution

The fourth proportional to 99,211.10, 136,916.02 and 60,972.24 is: 84,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,211.10 : 136,916.02 = 60,972.24 : x
  2. Step 2: Convert to fraction form
    99,211.10/136,916.02 = 60,972.24/x
  3. Step 3: Cross multiply
    99,211.10x = 136,916.02 × 60,972.24
  4. Step 4: Simplify right side
    99,211.10x = 8,348,077,020.94
  5. Step 5: Solve for x
    x = 8,348,077,020.94/99,211.10
  6. Step 6: Final answer
    x = 84,144.59

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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.