Home / 75,482.03-104,162.95-43,215.58

Finding the Fourth Proportional to 75,482.03, 104,162.95 and 43,215.58

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Solution

The fourth proportional to 75,482.03, 104,162.95 and 43,215.58 is: 59,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,482.03 : 104,162.95 = 43,215.58 : x
  2. Step 2: Convert to fraction form
    75,482.03/104,162.95 = 43,215.58/x
  3. Step 3: Cross multiply
    75,482.03x = 104,162.95 × 43,215.58
  4. Step 4: Simplify right side
    75,482.03x = 4,501,462,298.76
  5. Step 5: Solve for x
    x = 4,501,462,298.76/75,482.03
  6. Step 6: Final answer
    x = 59,636.21

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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.