Home / 88,780.32-122,520.48-51,054.57

Finding the Fourth Proportional to 88,780.32, 122,520.48 and 51,054.57

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Solution

The fourth proportional to 88,780.32, 122,520.48 and 51,054.57 is: 70,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,780.32 : 122,520.48 = 51,054.57 : x
  2. Step 2: Convert to fraction form
    88,780.32/122,520.48 = 51,054.57/x
  3. Step 3: Cross multiply
    88,780.32x = 122,520.48 × 51,054.57
  4. Step 4: Simplify right side
    88,780.32x = 6,255,230,422.59
  5. Step 5: Solve for x
    x = 6,255,230,422.59/88,780.32
  6. Step 6: Final answer
    x = 70,457.40

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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.