Home / 102,340.74-141,240.60-57,026.10

Finding the Fourth Proportional to 102,340.74, 141,240.60 and 57,026.10

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Solution

The fourth proportional to 102,340.74, 141,240.60 and 57,026.10 is: 78,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,340.74 : 141,240.60 = 57,026.10 : x
  2. Step 2: Convert to fraction form
    102,340.74/141,240.60 = 57,026.10/x
  3. Step 3: Cross multiply
    102,340.74x = 141,240.60 × 57,026.10
  4. Step 4: Simplify right side
    102,340.74x = 8,054,400,579.66
  5. Step 5: Solve for x
    x = 8,054,400,579.66/102,340.74
  6. Step 6: Final answer
    x = 78,701.80

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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.