Home / 88,780.09-122,520.12-51,054.34

Finding the Fourth Proportional to 88,780.09, 122,520.12 and 51,054.34

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Solution

The fourth proportional to 88,780.09, 122,520.12 and 51,054.34 is: 70,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,780.09 : 122,520.12 = 51,054.34 : x
  2. Step 2: Convert to fraction form
    88,780.09/122,520.12 = 51,054.34/x
  3. Step 3: Cross multiply
    88,780.09x = 122,520.12 × 51,054.34
  4. Step 4: Simplify right side
    88,780.09x = 6,255,183,250.72
  5. Step 5: Solve for x
    x = 6,255,183,250.72/88,780.09
  6. Step 6: Final answer
    x = 70,457.05

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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.