Home / 68,337.83-94,317.18-56,987.30

Finding the Fourth Proportional to 68,337.83, 94,317.18 and 56,987.30

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Solution

The fourth proportional to 68,337.83, 94,317.18 and 56,987.30 is: 78,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,337.83 : 94,317.18 = 56,987.30 : x
  2. Step 2: Convert to fraction form
    68,337.83/94,317.18 = 56,987.30/x
  3. Step 3: Cross multiply
    68,337.83x = 94,317.18 × 56,987.30
  4. Step 4: Simplify right side
    68,337.83x = 5,374,881,431.81
  5. Step 5: Solve for x
    x = 5,374,881,431.81/68,337.83
  6. Step 6: Final answer
    x = 78,651.63

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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.