Home / 98,897.49-148,350.35-28,776.81

Finding the Fourth Proportional to 98,897.49, 148,350.35 and 28,776.81

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Solution

The fourth proportional to 98,897.49, 148,350.35 and 28,776.81 is: 43,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,897.49 : 148,350.35 = 28,776.81 : x
  2. Step 2: Convert to fraction form
    98,897.49/148,350.35 = 28,776.81/x
  3. Step 3: Cross multiply
    98,897.49x = 148,350.35 × 28,776.81
  4. Step 4: Simplify right side
    98,897.49x = 4,269,049,691.50
  5. Step 5: Solve for x
    x = 4,269,049,691.50/98,897.49
  6. Step 6: Final answer
    x = 43,166.41

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1.5x scale

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.