Home / 124,451.32-171,736.60-70,729.24

Finding the Fourth Proportional to 124,451.32, 171,736.60 and 70,729.24

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Solution

The fourth proportional to 124,451.32, 171,736.60 and 70,729.24 is: 97,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,451.32 : 171,736.60 = 70,729.24 : x
  2. Step 2: Convert to fraction form
    124,451.32/171,736.60 = 70,729.24/x
  3. Step 3: Cross multiply
    124,451.32x = 171,736.60 × 70,729.24
  4. Step 4: Simplify right side
    124,451.32x = 12,146,799,198.18
  5. Step 5: Solve for x
    x = 12,146,799,198.18/124,451.32
  6. Step 6: Final answer
    x = 97,602.82

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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.