Home / 97,429.12-146,148.72-30,876.32

Finding the Fourth Proportional to 97,429.12, 146,148.72 and 30,876.32

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Solution

The fourth proportional to 97,429.12, 146,148.72 and 30,876.32 is: 46,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,429.12 : 146,148.72 = 30,876.32 : x
  2. Step 2: Convert to fraction form
    97,429.12/146,148.72 = 30,876.32/x
  3. Step 3: Cross multiply
    97,429.12x = 146,148.72 × 30,876.32
  4. Step 4: Simplify right side
    97,429.12x = 4,512,534,646.31
  5. Step 5: Solve for x
    x = 4,512,534,646.31/97,429.12
  6. Step 6: Final answer
    x = 46,316.08

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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.