Home / 92,940.64-128,258.08-50,499.36

Finding the Fourth Proportional to 92,940.64, 128,258.08 and 50,499.36

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Solution

The fourth proportional to 92,940.64, 128,258.08 and 50,499.36 is: 69,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,940.64 : 128,258.08 = 50,499.36 : x
  2. Step 2: Convert to fraction form
    92,940.64/128,258.08 = 50,499.36/x
  3. Step 3: Cross multiply
    92,940.64x = 128,258.08 × 50,499.36
  4. Step 4: Simplify right side
    92,940.64x = 6,476,950,954.83
  5. Step 5: Solve for x
    x = 6,476,950,954.83/92,940.64
  6. Step 6: Final answer
    x = 69,689.12

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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.