Home / 99,414.34-137,192.36-54,092.63

Finding the Fourth Proportional to 99,414.34, 137,192.36 and 54,092.63

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Solution

The fourth proportional to 99,414.34, 137,192.36 and 54,092.63 is: 74,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,414.34 : 137,192.36 = 54,092.63 : x
  2. Step 2: Convert to fraction form
    99,414.34/137,192.36 = 54,092.63/x
  3. Step 3: Cross multiply
    99,414.34x = 137,192.36 × 54,092.63
  4. Step 4: Simplify right side
    99,414.34x = 7,421,095,640.82
  5. Step 5: Solve for x
    x = 7,421,095,640.82/99,414.34
  6. Step 6: Final answer
    x = 74,648.14

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1.5x scale

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.