Home / 98,503.58-147,776.13-31,938.52

Finding the Fourth Proportional to 98,503.58, 147,776.13 and 31,938.52

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Solution

The fourth proportional to 98,503.58, 147,776.13 and 31,938.52 is: 47,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,503.58 : 147,776.13 = 31,938.52 : x
  2. Step 2: Convert to fraction form
    98,503.58/147,776.13 = 31,938.52/x
  3. Step 3: Cross multiply
    98,503.58x = 147,776.13 × 31,938.52
  4. Step 4: Simplify right side
    98,503.58x = 4,719,750,658.88
  5. Step 5: Solve for x
    x = 4,719,750,658.88/98,503.58
  6. Step 6: Final answer
    x = 47,914.51

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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.