Home / 99,326.05-148,985.75-43,166.16

Finding the Fourth Proportional to 99,326.05, 148,985.75 and 43,166.16

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Solution

The fourth proportional to 99,326.05, 148,985.75 and 43,166.16 is: 64,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,326.05 : 148,985.75 = 43,166.16 : x
  2. Step 2: Convert to fraction form
    99,326.05/148,985.75 = 43,166.16/x
  3. Step 3: Cross multiply
    99,326.05x = 148,985.75 × 43,166.16
  4. Step 4: Simplify right side
    99,326.05x = 6,431,142,830.14
  5. Step 5: Solve for x
    x = 6,431,142,830.14/99,326.05
  6. Step 6: Final answer
    x = 64,747.80

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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.