Home / 112,573.12-168,859.65-42,436.03

Finding the Fourth Proportional to 112,573.12, 168,859.65 and 42,436.03

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Solution

The fourth proportional to 112,573.12, 168,859.65 and 42,436.03 is: 63,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,573.12 : 168,859.65 = 42,436.03 : x
  2. Step 2: Convert to fraction form
    112,573.12/168,859.65 = 42,436.03/x
  3. Step 3: Cross multiply
    112,573.12x = 168,859.65 × 42,436.03
  4. Step 4: Simplify right side
    112,573.12x = 7,165,732,961.01
  5. Step 5: Solve for x
    x = 7,165,732,961.01/112,573.12
  6. Step 6: Final answer
    x = 63,654.03

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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.