Home / 124,086.40-171,236.16-70,371.52

Finding the Fourth Proportional to 124,086.40, 171,236.16 and 70,371.52

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Solution

The fourth proportional to 124,086.40, 171,236.16 and 70,371.52 is: 97,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,086.40 : 171,236.16 = 70,371.52 : x
  2. Step 2: Convert to fraction form
    124,086.40/171,236.16 = 70,371.52/x
  3. Step 3: Cross multiply
    124,086.40x = 171,236.16 × 70,371.52
  4. Step 4: Simplify right side
    124,086.40x = 12,050,148,858.16
  5. Step 5: Solve for x
    x = 12,050,148,858.16/124,086.40
  6. Step 6: Final answer
    x = 97,110.96

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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.