Home / 99,078.80-148,618.19-32,501.05

Finding the Fourth Proportional to 99,078.80, 148,618.19 and 32,501.05

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Solution

The fourth proportional to 99,078.80, 148,618.19 and 32,501.05 is: 48,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,078.80 : 148,618.19 = 32,501.05 : x
  2. Step 2: Convert to fraction form
    99,078.80/148,618.19 = 32,501.05/x
  3. Step 3: Cross multiply
    99,078.80x = 148,618.19 × 32,501.05
  4. Step 4: Simplify right side
    99,078.80x = 4,830,246,933.81
  5. Step 5: Solve for x
    x = 4,830,246,933.81/99,078.80
  6. Step 6: Final answer
    x = 48,751.57

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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.