Home / 63,459.40-87,616.74-56,723.44

Finding the Fourth Proportional to 63,459.40, 87,616.74 and 56,723.44

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Solution

The fourth proportional to 63,459.40, 87,616.74 and 56,723.44 is: 78,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,459.40 : 87,616.74 = 56,723.44 : x
  2. Step 2: Convert to fraction form
    63,459.40/87,616.74 = 56,723.44/x
  3. Step 3: Cross multiply
    63,459.40x = 87,616.74 × 56,723.44
  4. Step 4: Simplify right side
    63,459.40x = 4,969,922,894.39
  5. Step 5: Solve for x
    x = 4,969,922,894.39/63,459.40
  6. Step 6: Final answer
    x = 78,316.58

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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.