Home / 99,152.51-148,709.66-28,074.60

Finding the Fourth Proportional to 99,152.51, 148,709.66 and 28,074.60

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Solution

The fourth proportional to 99,152.51, 148,709.66 and 28,074.60 is: 42,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,152.51 : 148,709.66 = 28,074.60 : x
  2. Step 2: Convert to fraction form
    99,152.51/148,709.66 = 28,074.60/x
  3. Step 3: Cross multiply
    99,152.51x = 148,709.66 × 28,074.60
  4. Step 4: Simplify right side
    99,152.51x = 4,174,964,080.26
  5. Step 5: Solve for x
    x = 4,174,964,080.26/99,152.51
  6. Step 6: Final answer
    x = 42,106.49

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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.