Home / 102,827.07-141,917.40-62,553.47

Finding the Fourth Proportional to 102,827.07, 141,917.40 and 62,553.47

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Solution

The fourth proportional to 102,827.07, 141,917.40 and 62,553.47 is: 86,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,827.07 : 141,917.40 = 62,553.47 : x
  2. Step 2: Convert to fraction form
    102,827.07/141,917.40 = 62,553.47/x
  3. Step 3: Cross multiply
    102,827.07x = 141,917.40 × 62,553.47
  4. Step 4: Simplify right side
    102,827.07x = 8,877,425,113.79
  5. Step 5: Solve for x
    x = 8,877,425,113.79/102,827.07
  6. Step 6: Final answer
    x = 86,333.54

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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.