Home / 98,671.62-148,031.72-28,558.02

Finding the Fourth Proportional to 98,671.62, 148,031.72 and 28,558.02

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Solution

The fourth proportional to 98,671.62, 148,031.72 and 28,558.02 is: 42,844.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,671.62 : 148,031.72 = 28,558.02 : x
  2. Step 2: Convert to fraction form
    98,671.62/148,031.72 = 28,558.02/x
  3. Step 3: Cross multiply
    98,671.62x = 148,031.72 × 28,558.02
  4. Step 4: Simplify right side
    98,671.62x = 4,227,492,677.60
  5. Step 5: Solve for x
    x = 4,227,492,677.60/98,671.62
  6. Step 6: Final answer
    x = 42,844.06

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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.