Home / 104,265.30-143,886.06-56,518.50

Finding the Fourth Proportional to 104,265.30, 143,886.06 and 56,518.50

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Solution

The fourth proportional to 104,265.30, 143,886.06 and 56,518.50 is: 77,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,265.30 : 143,886.06 = 56,518.50 : x
  2. Step 2: Convert to fraction form
    104,265.30/143,886.06 = 56,518.50/x
  3. Step 3: Cross multiply
    104,265.30x = 143,886.06 × 56,518.50
  4. Step 4: Simplify right side
    104,265.30x = 8,132,224,282.11
  5. Step 5: Solve for x
    x = 8,132,224,282.11/104,265.30
  6. Step 6: Final answer
    x = 77,995.50

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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.