Home / 112,776.72-169,159.80-46,200.48

Finding the Fourth Proportional to 112,776.72, 169,159.80 and 46,200.48

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Solution

The fourth proportional to 112,776.72, 169,159.80 and 46,200.48 is: 69,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,776.72 : 169,159.80 = 46,200.48 : x
  2. Step 2: Convert to fraction form
    112,776.72/169,159.80 = 46,200.48/x
  3. Step 3: Cross multiply
    112,776.72x = 169,159.80 × 46,200.48
  4. Step 4: Simplify right side
    112,776.72x = 7,815,263,956.70
  5. Step 5: Solve for x
    x = 7,815,263,956.70/112,776.72
  6. Step 6: Final answer
    x = 69,298.56

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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.