Home / 124,868.21-187,330.35-36,128.58

Finding the Fourth Proportional to 124,868.21, 187,330.35 and 36,128.58

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Solution

The fourth proportional to 124,868.21, 187,330.35 and 36,128.58 is: 54,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,868.21 : 187,330.35 = 36,128.58 : x
  2. Step 2: Convert to fraction form
    124,868.21/187,330.35 = 36,128.58/x
  3. Step 3: Cross multiply
    124,868.21x = 187,330.35 × 36,128.58
  4. Step 4: Simplify right side
    124,868.21x = 6,767,979,536.40
  5. Step 5: Solve for x
    x = 6,767,979,536.40/124,868.21
  6. Step 6: Final answer
    x = 54,200.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.