Home / 88,741.78-122,394.24-56,913.64

Finding the Fourth Proportional to 88,741.78, 122,394.24 and 56,913.64

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Solution

The fourth proportional to 88,741.78, 122,394.24 and 56,913.64 is: 78,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,741.78 : 122,394.24 = 56,913.64 : x
  2. Step 2: Convert to fraction form
    88,741.78/122,394.24 = 56,913.64/x
  3. Step 3: Cross multiply
    88,741.78x = 122,394.24 × 56,913.64
  4. Step 4: Simplify right side
    88,741.78x = 6,965,901,407.45
  5. Step 5: Solve for x
    x = 6,965,901,407.45/88,741.78
  6. Step 6: Final answer
    x = 78,496.30

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1.5x scale

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.