Home / 88,738.32-122,453.52-51,012.64

Finding the Fourth Proportional to 88,738.32, 122,453.52 and 51,012.64

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Solution

The fourth proportional to 88,738.32, 122,453.52 and 51,012.64 is: 70,394.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,738.32 : 122,453.52 = 51,012.64 : x
  2. Step 2: Convert to fraction form
    88,738.32/122,453.52 = 51,012.64/x
  3. Step 3: Cross multiply
    88,738.32x = 122,453.52 × 51,012.64
  4. Step 4: Simplify right side
    88,738.32x = 6,246,677,332.49
  5. Step 5: Solve for x
    x = 6,246,677,332.49/88,738.32
  6. Step 6: Final answer
    x = 70,394.36

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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.