Home / 104,720.04-144,509.40-56,973.36

Finding the Fourth Proportional to 104,720.04, 144,509.40 and 56,973.36

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Solution

The fourth proportional to 104,720.04, 144,509.40 and 56,973.36 is: 78,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,720.04 : 144,509.40 = 56,973.36 : x
  2. Step 2: Convert to fraction form
    104,720.04/144,509.40 = 56,973.36/x
  3. Step 3: Cross multiply
    104,720.04x = 144,509.40 × 56,973.36
  4. Step 4: Simplify right side
    104,720.04x = 8,233,186,069.58
  5. Step 5: Solve for x
    x = 8,233,186,069.58/104,720.04
  6. Step 6: Final answer
    x = 78,620.92

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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.