Home / 98,672.18-148,032.56-28,558.58

Finding the Fourth Proportional to 98,672.18, 148,032.56 and 28,558.58

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Solution

The fourth proportional to 98,672.18, 148,032.56 and 28,558.58 is: 42,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,672.18 : 148,032.56 = 28,558.58 : x
  2. Step 2: Convert to fraction form
    98,672.18/148,032.56 = 28,558.58/x
  3. Step 3: Cross multiply
    98,672.18x = 148,032.56 × 28,558.58
  4. Step 4: Simplify right side
    98,672.18x = 4,227,599,038.60
  5. Step 5: Solve for x
    x = 4,227,599,038.60/98,672.18
  6. Step 6: Final answer
    x = 42,844.90

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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.