Home / 104,553.61-144,283.75-56,807.15

Finding the Fourth Proportional to 104,553.61, 144,283.75 and 56,807.15

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Solution

The fourth proportional to 104,553.61, 144,283.75 and 56,807.15 is: 78,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,553.61 : 144,283.75 = 56,807.15 : x
  2. Step 2: Convert to fraction form
    104,553.61/144,283.75 = 56,807.15/x
  3. Step 3: Cross multiply
    104,553.61x = 144,283.75 × 56,807.15
  4. Step 4: Simplify right side
    104,553.61x = 8,196,347,765.38
  5. Step 5: Solve for x
    x = 8,196,347,765.38/104,553.61
  6. Step 6: Final answer
    x = 78,393.73

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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.