Home / 103,806.04-143,252.34-56,059.39

Finding the Fourth Proportional to 103,806.04, 143,252.34 and 56,059.39

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Solution

The fourth proportional to 103,806.04, 143,252.34 and 56,059.39 is: 77,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,806.04 : 143,252.34 = 56,059.39 : x
  2. Step 2: Convert to fraction form
    103,806.04/143,252.34 = 56,059.39/x
  3. Step 3: Cross multiply
    103,806.04x = 143,252.34 × 56,059.39
  4. Step 4: Simplify right side
    103,806.04x = 8,030,637,799.91
  5. Step 5: Solve for x
    x = 8,030,637,799.91/103,806.04
  6. Step 6: Final answer
    x = 77,361.95

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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.