Home / 71,855.83-99,159.73-40,024.05

Finding the Fourth Proportional to 71,855.83, 99,159.73 and 40,024.05

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Solution

The fourth proportional to 71,855.83, 99,159.73 and 40,024.05 is: 55,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,855.83 : 99,159.73 = 40,024.05 : x
  2. Step 2: Convert to fraction form
    71,855.83/99,159.73 = 40,024.05/x
  3. Step 3: Cross multiply
    71,855.83x = 99,159.73 × 40,024.05
  4. Step 4: Simplify right side
    71,855.83x = 3,968,773,991.51
  5. Step 5: Solve for x
    x = 3,968,773,991.51/71,855.83
  6. Step 6: Final answer
    x = 55,232.46

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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.