Home / 102,650.87-141,662.23-59,043.34

Finding the Fourth Proportional to 102,650.87, 141,662.23 and 59,043.34

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Solution

The fourth proportional to 102,650.87, 141,662.23 and 59,043.34 is: 81,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,650.87 : 141,662.23 = 59,043.34 : x
  2. Step 2: Convert to fraction form
    102,650.87/141,662.23 = 59,043.34/x
  3. Step 3: Cross multiply
    102,650.87x = 141,662.23 × 59,043.34
  4. Step 4: Simplify right side
    102,650.87x = 8,364,210,502.74
  5. Step 5: Solve for x
    x = 8,364,210,502.74/102,650.87
  6. Step 6: Final answer
    x = 81,482.12

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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.