Home / 112,542.03-168,763.82-53,394.57

Finding the Fourth Proportional to 112,542.03, 168,763.82 and 53,394.57

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Solution

The fourth proportional to 112,542.03, 168,763.82 and 53,394.57 is: 80,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,542.03 : 168,763.82 = 53,394.57 : x
  2. Step 2: Convert to fraction form
    112,542.03/168,763.82 = 53,394.57/x
  3. Step 3: Cross multiply
    112,542.03x = 168,763.82 × 53,394.57
  4. Step 4: Simplify right side
    112,542.03x = 9,011,071,333.48
  5. Step 5: Solve for x
    x = 9,011,071,333.48/112,542.03
  6. Step 6: Final answer
    x = 80,068.50

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1.5x scale

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.